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Displaying 1 to 655 of 655 records
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Heading | Date | Maker | Place | Materials | Inv Num | |
---|---|---|---|---|---|---|
View Record | Side-Lever Morse Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, ebonite, brass, bakelite. | 12506 |
View Record | Induction Coil | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, wax, brass, ivory?, ebonite, celluloid. | 12640 |
View Record | Medal Institute Of Radio Engineers | c. 1922 | Sanford. | Unknown | Gold. | 12658 |
View Record | Forward Spark 'B' Wavemeter No. 1511 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 12772 |
View Record | Large Switchboard Type 95 | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Wood, iron, glass, nickel, assorted metals. | 12779 |
View Record | Rare Portable Lifeboat Transmitter Receiver | c. 1905 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, bakelite, ebonite, metal. | 12924 |
View Record | Aircraft Wireless Telephone Type AD2 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Linen, ebonite, glass, wood, plastic?, assorted metals. | 12938 |
View Record | Assorted Components For T1154 And R1155A In Wooden Chest | 1940s | Unknown | England | Wood, steel, glass, canvas, assorted metals. | 13044 |
View Record | Four-Second Alarm Type KM1 | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, metal, nickel, glass. | 13115 |
View Record | Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, platinum, asbestos, brass, ebonite. | 13117 |
View Record | Balloon Envelope Radio Valve | Early 20th Century | Unknown | Unknown | Glass, steel, bakelite?, assorted metals. | 13172 |
View Record | Telephone Relay Type G | c. 1908 | S.G. Brown. | London | Mahogany, steel?, brass. | 13183 |
View Record | Bradfield Leading-In Insulator No.1 | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Iron, ebonite. | 13694 |
View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass, paper. | 13774 |
View Record | Telefunken Radio Valve Type LD15 | c. 1945 | Telefunken. | Germany | Steel, glass, assorted metals. | 14100 |
View Record | 'Marconi' Auto-Alarm Bell Type 117 | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Brass, aluminium, wood, teak. | 14147 |
View Record | Framed Marconi Order Slip | Dated 1922 | Marconi's Wireless Telegraph Co. Ltd. | London | Glass, wood, paper. | 14183 |
View Record | Brimar Radio Valve Type 6SN7GT | Mid 20th Century | Brimar. | England | Glass, steel, plastic?, assorted metals. | 14188 |
View Record | 75th Anniversary Commemorative Plate | 1978 | Ceragraphics Panorama Studios. | Devon, England | China, paint, gold. | 14457 |
View Record | Large Main Jigger With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany?, ebonite, wood, brass. | 14809 |
View Record | Hirst Bronze Bust | Dated 1936 | S.H. Paulon. | Unknown | Bronze, marble. | 14884 |
View Record | Medal Portugese Marconi Company | Dated 1951 | Joao da Silva. | Portugal | Bronze | 14889 |
View Record | Bellini-Tosi Direction Finder | 1907 | E. Bellini & A. Tosi. | France | Walnut, brass, steel?, iron, bakelite, ebonite. | 14937 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 | 20th Century | RCA. | USA | Glass, plastic?, steel, assorted metals. | 15130 |
View Record | 75th Anniversary Commemorative Mug | 1978 | Ceragraphics Panorama Studios. | Devon, England | China, paint, gold. | 15211 |
View Record | RCA Radiotron Radio Tube Type VR54 | 20th Century | RCA. | USA | Plastic?, steel, assorted metals. | 15408 |
View Record | Radio Valve Type ATP4 | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 15492 |
View Record | 'Cow's Tail' Insulator | Early 20th Century | Unknown | Unknown | Brass, wood, cable. | 15574 |
View Record | Marconi Radio Valve Type DER | c. 1925 | Marconi-Osram Valves. | London | Glass, bakelite, steel, assorted metals. | 15591 |
View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 15771 |
View Record | Marconiphone Two-Valve Receiver Type V2 | 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, glass, nickel, bakelite, ebonite, celluloid, steel. | 15836 |
View Record | Record | 1920s | Columbia Records. | London | Plastic, paper. | 16050 |
View Record | Brownie Crystal Receiver No 2 | c. 1925 | Brownie Wireless Co. Ltd. | Britain | Ebonite, glass, assorted metals, copper. | 16661 |
View Record | Marconi Radio Valve Type DE3 | c. 1923 | Marconi-Osram Valves. | London | Glass, steel, plastic?, brass?, assorted metals. | 16810 |
View Record | S. E. Marchesi Marconi | 1931 | Sir Max Beerbohm | London | Paper, watercolour, plastic, metal, nylon? | 16862 |
View Record | Drysdale-Tinsley Vibration Galvanometer | 20th Century | H. Tinsley & Co. | London | Brass, iron, glass, bakelite?, mahogany, plastic. | 17033 |
View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 17167 |
View Record | Combined Switchboard Type 277 And Fuseboard Type 279 | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Steel, metal, glass, nickel, bakelite | 17193 |
View Record | Aerial Lead-In Insulator | Early 20th Century | Unknown | Unknown | Earthenware, copper, iron. | 17338 |
View Record | Early Coherer | c. 1899 | Unknown | Unknown | Glass, copper, nickel, silver, assorted metals. | 17473 |
View Record | Bank Of Six Leyden Jar Condensers | 1900 | Unknown | Unknown | Glass, brass, mahogany, felt. | 17579 |
View Record | Decade Condenser Type 21F | Early 20th Century | Muirhead & Co. Ltd. | Britain | Teak, bakelite, plastic?, steel. | 17600 |
View Record | Induction Coil | 1900s | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, ivory?, copper. | 17841 |
View Record | Amplifier And Detector Type 55A With Headphones | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Glass, teak, steel, brass. | 18067 |
View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, ribbon, steel, plastic?, assorted metals. | 18078 |
View Record | Tuning Condenser | c. 1915 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 18093 |
View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, steel, ebonite, nickel. | 18119 |
View Record | Transmitter Tuner Type MC13 | c. 1930 | Unknown | Unknown | Steel, nickel, plastic, assorted metals. | 18269 |
View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, glass, brass, ebonite, bakelite, iron. | 18289 |
View Record | Facsimile Of Fleming Letter | c. 1904 | J.A. Fleming. | London | Paper. | 18292 |
View Record | Metal Component Pair FT-162 For Radio | 20th Century | Unknown | Unknown | Iron?, steel, nickel. | 18465 |
View Record | Mullard Radio Valve Type ORA/B | c. 1922 | Mullard Radio Valve Co. | Unknown | Glass, rubber?, assorted metals. | 18833 |
View Record | Marconiphone Two-Valve Receiver Type 21 | 1925 | Marconiphone Co. Ltd. | London | Bakelite?, ebonite, glass, brass, mahogany, plastic? | 18847 |
View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, brass, ebonite, bakelite, leather. | 19011 |
View Record | Mullard Wecovalve Radio Valve Peanut Type | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals | 19239 |
View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 19420 |
View Record | Early Experimental Coherer | c. 1902 | Unknown | Unknown | Glass, copper, cork, iron, assorted metals. | 19433 |
View Record | Ferranti Radio Valve Type NSP1 | Mid 20th Century | Ferranti. | Britain | Glass, steel, bakelite, assorted metals. | 19461 |
View Record | Triotron Radio Tube Type 6F8G With Carton | 20th Century | Triotron Radio. | Austria | Plastic?, glass, steel, assorted metals. | 19616 |
View Record | Portable Aircraft Spark Transmitter 40W | c. 1912 | Marconi's Wireless Telegraphy Co. Ltd. | London | Teak, leather, ebonite, steel, bakelite?, brass. | 19772 |
View Record | Marconi Radio Valve Type 42A | 20th Century | Officine Marconi-Genova. | Italy | Glass, steel, plastic?, assorted metals. | 19824 |
View Record | Radio Call Sign | Early 20th Century | Unknown | Unknown | Mahogany, paint. | 20091 |
View Record | Marconi Radio Valve Type MH4 | c. 1931 | Marconi's Wireless Telegraph Co. Ltd. | England | Cooper, steel, plastic?, assorted metals. | 20104 |
View Record | Myers Dry Battery Radio Tube With Carton | c. 1924 | E. B. Myers Co. Ltd. | Canada | Glass, bakelite, steel, assorted metals. | 20141 |
View Record | Company Seal Embosser Vulcan Foundry Ltd | 20th Century | Unknown | Britain | Bronze?, iron?, steel. | 20262 |
View Record | Emergency Quenched-Gap Transmitter Type 335 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, iron, copper, ebonite, nickel, glass, steel, assorted metals. | 20374 |
View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi-Osram Valves. | England | Glass, steel, assorted metals. | 20655 |
View Record | Company Seal Embosser Fan Manufacturing Company | 20th Century | Witherby & Co. Ltd. | London | Steel, baize. | 20679 |
View Record | Tuning Condenser No 4 | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, brass, paper. | 20696 |
View Record | Marconi Radio Valve Type DE3C | c. 1924 | Marconi-Osram Valves. | London | Glass, bakelite, steel, tungsten, assorted metals. | 20731 |
View Record | Marconi Bellini-Tosi Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, bakelite, ebonite, steel?, copper. | 20815 |
View Record | Morse Tape Inker | c. 1900 | Siemens Brothers. | London | Brass, mahogany, paper, assorted metals. | 20877 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 20953 |
View Record | Marconi's Oil Righi Oscillator | 1895 | Augusto Righi. | Bologna, Italy | Mahogany, brass, ebonite, celluloid. | 21300 |
View Record | Marconi Crystal Receiver Type 31C | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, nickel, mahogany?, bakelite. | 21573 |
View Record | Syntoniser | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite?, iron?, teak. | 21593 |
View Record | Replica Righi Oscillator | Late 20th Century | Unknown | Unknown | Brass, ebonite?, plastic?, mahogany. | 21726 |
View Record | 4 Volt Fleming Oscillation Valve | c. 1905 | Royal Ediswan. | London | Brass, glass, assorted metals. | 21763 |
View Record | Fleming Valve | c. 1905 | Ediswan. | London | Glass, assorted metals, brass. | 21803 |
View Record | Mullard Radio Valve Type PM4 | 1930s | Mullard. | England | Glass, steel, bakelite, assorted metals. | 21856 |
View Record | 'Marconi' Self-Monitoring Receiver Type AD98 | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic?, perspex, assorted metals. | 22068 |
View Record | Company Seal Embosser Dick Kerr & Company | 20th Century | Jordan & Sons Ltd. | London | Cooper, brass, steel, wood, baize. | 22130 |
View Record | Forward 'B' Spark Wavemeter No. 1339 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 22136 |
View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 22269 |
View Record | Round Radio Valve Type N | c. 1915 | Ediswan. | London | Glass, steel, asbestos, platinum-iridium, assorted metals. | 22293 |
View Record | Ediswan Radio Valve Type ATP4 With Carton | Mid 20th Century | Siemens Edison Swan Ltd. | London | Glass, steel, plastic?, assorted metals. | 22414 |
View Record | 'Marconi' Auto-Alarm Selector Type 333 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Metal, brass, steel?, aluminium, glass. | 22770 |
View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, ribbon, steel, plastic?, assorted metals. | 22875 |
View Record | Marconi-Osram Radio Valve Type R | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, phosphorous, nickel?, plastic?, steel, assorted metals | 22908 |
View Record | Marconi Commemorative Plaque | Dated 1912 | Unknown | Italy | Brass | 23050 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 23157 |
View Record | Two Ribbed Wooden Pillar Insulators | Early 20th Century | Unknown | Unknown | Wood, brass. | 23387 |
View Record | Instruction Manual For The Marconi Direction Finder Type No. 6 | c. 1916 | Sanders Phillips & Co. Ltd. | London | Paper. | 23434 |
View Record | Marconi Induction Coil | 1899 | Marconi Company. | London | Ebonite, platinum, brass, plastic?, ebonite. | 23658 |
View Record | Set Of Inductors Type TM1438 | 20th Century | Marconi Instruments Ltd. | England | Wood, leather, steel, bakelite | 23891 |
View Record | Marconi Auto-Alarm Type M | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, bakelite, glass, assorted metals. | 24207 |
View Record | Experimental Billi Condenser | c. 1900 | Unknown | Unknown | Copper?, steel?, ebonite, brass, mahogany, plywood, bakelite, celluloid. | 24292 |
View Record | Morse Key Type 100A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | Britain | Nickel, mahogany, ebonite, steel. | 24429 |
View Record | Pair Of Mounted Guard Lamps | Early 20th Century | Unknown | Unknown | Mahogany?, glass, copper, brass. | 24488 |
View Record | Experimental Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, brass?, platinum. | 24865 |
View Record | Tuning Indicator With Glass Lamp | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany, brass, metal alloy, glass, ebonite. | 24927 |
View Record | Bank Of Six Leyden Jar Condensers | 1900 | Unknown | Unknown | Glass, brass, mahogany, teak?, felt. | 24931 |
View Record | Marconi Radio Valve Type MH4 | 1930s | Marconi-Osram Valves. | London | Glass, plastic?, nickel, steel, assorted metals. | 24996 |
View Record | Shunt Regulator | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 25048 |
View Record | Hytron Radio Tube Type CV1759 With Carton | Dated 1944 | Hytron Corporation. | Massachusetts, USA | Steel, plastic?, glass, assorted metals. | 25098 |
View Record | Company Seal Embosser Coastal Radio Ltd | 20th Century | Unknown | Unknown | Steel, wood, cooper, baize | 25157 |
View Record | Marconi Radio Valve Type V24 | c. 1919 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 25217 |
View Record | Cold Cathode Ray Tube | c. 1902 | Unknown | Unknown | Glass, mahogany, copper, metal. | 25358 |
View Record | Marconi Radio Valve Type V24 | c. 1925 | Marconi Valves. | England | Glass, steel, assorted metals. | 25470 |
View Record | Marconi Radio Valve Type V24 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 25691 |
View Record | Ship's Wireless Spark-Gap | 1905 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, cast iron, teak, metal. | 25812 |
View Record | Cossor Radio Valve Type V10 | 20th Century | Cossor. | England | Glass, steel, plastic?, oxide, assorted metals. | 26034 |
View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi Valves. | England | Glass, steel, assorted valves. | 26547 |
View Record | GPO Radio Valve Type No 2 | 20th Century | Unknown | Britain | Glass, brass, plastic?, nickel. | 26614 |
View Record | Aerial Lead-In Insulator | Early 20th Century | Unknown | Unknown | Earthenware, copper, iron. | 26677 |
View Record | Mazda Radio Valve Type PY33 With Carton | 1960s | Mazda | England | Glass, steel, plastic?, assorted metals. | 26731 |
View Record | Marzi Microphone | 1910 | Marzi Company. | France | Wood, aluminium, steel. | 27140 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 27357 |
View Record | Mullard Wecovalve Radio Valve Peanut Type With Carton | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals. | 27364 |
View Record | Aerial Switch Type 272 | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Wood, peak, steel, nickel, porcelain, ebonite. | 27556 |
View Record | Marconi Receiver Type AD8882B | c. 1939 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite?, perspex?, steel. | 27685 |
View Record | Illuminated Globe | 1971 | George Philip & Son Limited | London | Plastic, paper, glass, assorted metals. | 27716 |
View Record | Replica Grasshopper Send-Receive Morse Key | 1970s | Unknown | Unknown | Brass, plastic?, mahogany. | 27753 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 27778 |
View Record | Marconi Telegraph Communication Chart | c. 1922 | Marconi International Marine Communication Co. Ltd. | London | Wood, glass, paper. | 27846 |
View Record | Horn Loudspeaker Type AR19 | c. 1923 | Graham Amplion Ltd. | London | Oak, brass, baize. | 28052 |
View Record | Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 28107 |
View Record | Hivac Radio Valve Type CV1052 | Mid 20th Century | Hivac. | England | Glass, plastic?, steel, assorted metals. | 28126 |
View Record | Tuning Condenser | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, steel?, nickel. | 28159 |
View Record | Graduated Swivelling Coils For Triple Crystal Detector | Early 20th Century | Unknown | Unknown | Copper, steel, tape. | 28254 |
View Record | Marconi Crystal Receiver Type 31 | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, ebonite, teak, metal. | 28284 |
View Record | Radio Receiver Type BC342N | 1940s | Unknown | Unknown | Steel, bakelite, glass, nickel, assorted metals. | 28392 |
View Record | High-Discrimination Communication Receiver Type Rg 44 | c. 1948 | Marconi's Wireless Telegraph Co. Ltd. | Chelmsford, England | Steel, glass, bakelite, perspex, assorted metals. | 28532 |
View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, leather, ebonite, bakelite. | 28627 |
View Record | Radio Valve Type ML6C | Mid 20th Century | Unknown | Unknown | Glass, steel, ceramics, assorted metals. | 28855 |
View Record | Large Rotary Converter | Dated 1915 | Electric Construction Co. Ltd. | Wolverhampton, England | Iron, steel, brass, copper, metal alloy. | 29140 |
View Record | Ship's Transmitter Jigger | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, mahogany. | 29208 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 29233 |
View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 29390 |
View Record | Direction-Finding Coil For Receiver Type R1155A | c. 1940 | Air Ministry. | Unknown | Iron, bakelite?, plastic?, steel. | 29505 |
View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 29519 |
View Record | 'Marconi' Direction Finder Type DFM2 | c. 1927 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, ebonite, glass, bakelite, celluloid, steel. | 29821 |
View Record | RCA Radiotron Cunningham Radio Tube Type 5Z4 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 30472 |
View Record | Irwin Oscillograph | Early 20th Century | Robert W. Paul. | London | Iron?, brass, copper. | 30624 |
View Record | Induction Coil For Tuned Field Transmitter | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, mahogany, ebonite. | 30667 |
View Record | National Union Radio Tube Type 12SA7GT With Carton | c. 1942 | National Union. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 30961 |
View Record | Large Emergency Morse Key | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Brass, metal alloy, teak, ebonite. | 31025 |
View Record | Earth Arrester Plate | Early 20th Century | Unknown | Unknown | Brass, copper. | 31083 |
View Record | Marconi's Parabolic Receiver | c. 1896 | Guglielmo Marconi. | England | Wood, copper, nickel, glass, assorted metals. | 31092 |
View Record | Manganin Coils Dial Bridge | Early 20th Century | W.G. Pye & Co. | Cambridge, England | Teak, ebonite, bakelite, brass, copper, celluloid, assorted metals. | 31104 |
View Record | Marconi Radio Valve Type Q | c. 1919 | Ediswan. | London | Glass, steel, assorted metals. | 31396 |
View Record | Puratone Rubon Radio Valve | 1924 | Puratone Rubon. | Britain | Glass, plastic, steel, assorted metals. | 31417 |
View Record | Bust of T. L. Eckersley | Late 20th Century | K. Scott. | Unknown | Bronze, oak?, plaster, metal. | 31421 |
View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 31425 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 31778 |
View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 31810 |
View Record | Vertical Precision Instrument | Early 20th Century | Unknown | Unknown | Brass, paint, bronze, assorted metals. | 32039 |
View Record | Generator Propellor | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | Unknown | Laminated mahogany, brass. | 32068 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 32090 |
View Record | Multiple Oscillator | c. 1898 | Unknown | England | Brass, ebonite, mahogany. | 32103 |
View Record | Variable Pitch Generator Windmill | Early 20th Century | Unknown | Unknown | Metal alloy, iron. | 32380 |
View Record | Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, platinum, asbestos, brass, ebonite. | 32845 |
View Record | Catalogue For Aircraft Wireless Receiver | c. 1921 | Marconi's Wireless Telegraph Co. Ltd. | England | Paper | 32919 |
View Record | Marconi Radio Valve Type Q | c. 1916 | Ediswan. | London | Glass, steel, assorted metals. | 33191 |
View Record | Marconiphone Personal Receiver Type P17B | c. 1950 | Marconiphone Co. Ltd. | England | Plastic, chromium, nickel, glass?, leather. | 33654 |
View Record | Company Seal Embosser Clare-Elliot Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 33725 |
View Record | Medal International Marconi Conference | Dated 1951 | Coffredo Edginelli? | Italy | Aluminium | 34099 |
View Record | Marconiphone Dealer's Sign | Late 1920s | Marconi Company. | England | Cast alloy, paint. | 34130 |
View Record | Brimar Radio Valve Type 50CD6G With Carton | Mid 20th Century | Brimar Ltd. | England | Glass, steel, plastic?, assorted metals. | 34364 |
View Record | Exhibition Medal Exposition of Decorative and Modern Art | Dated 1902 | Unknown | Italy | Gilt metal | 34377 |
View Record | Philips Radio Valve Type QQE02 With Separate Carton | Late 20th Century | Philips. | Holland | Glass, steel, assorted metals. | 34480 |
View Record | Telegraph Relay | Early 20th Century | H.W. Sullivan. | London | Mahogany, baize, glass, brass, iron?, assorted metals. | 34506 |
View Record | Album of Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 34635 |
View Record | Early Coherer | c. 1899 | Unknown | Chelmsford, England | Glass, copper, nickel, silver, assorted metals. | 34674 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass, bakelite. | 34701 |
View Record | Marconi Studio Photographic Portrait | 20th Century | Unknown | Unknown | Cardboard, photographic paper. | 34711 |
View Record | 'Marconi' Auto-Alarm Buzzer Type 225 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Metal, ebonite?, aluminium, steel. | 34759 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 35098 |
View Record | Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, platinum, asbestos, brass, ebonite. | 35122 |
View Record | Medal John Fritz | Dated 1922 | V. D. Brenner. | Unknown | Bronze | 35206 |
View Record | Bell Telephone Microphone | c. 1923 | Unknown | England | Brass, ebonite, nickel. | 35219 |
View Record | Marconi Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 35245 |
View Record | Purchase Receipt For Marconi Radio Type T36 AB | Dated 1954 | E.M.I. Sales & Service Ltd. | London | Paper, plastic. | 35311 |
View Record | Silver Table Lighter With Case | Dated 1912 | Alfred Foster. | London | Silver, bakelite?, marble, velvet, silk, leather. | 35386 |
View Record | Ship's Direction Finder | 1920s | Unknown | Unknown | Glass, plastic, bakelite, teak?, copper, assorted metals. | 35780 |
View Record | Marconiphone Receiver Model 235 | c. 1935 | Marconiphone Co. Ltd. | England | Leathercloth, chromium, simulated mother-of pearl | 35936 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 35970 |
View Record | Standard Resistor Type 1682 | 20th Century | H. Tinsley & Co. | London | Chromium, plastic?, enamelled metal. | 35998 |
View Record | Multiple Tuner | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 36479 |
View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 36535 |
View Record | Radio Valve ARP12-Type | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 36764 |
View Record | Ladies' Silver Pocket Scent Bottle | Hallmarked 1911 | Charles Perry & Co. of Birmingham. | Birmingham | Silver. | 37413 |
View Record | Commemarative Plate | c. 1903 | W. Adams & Co. | England | Pottery | 37493 |
View Record | 'Marconi' Wavemeter Type MC1 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, mahogany?, ebonite, bakelite, nickel, copper. | 37590 |
View Record | Raytheon Radio Tube Type 6H6G With Carton | Dated 1934 | Raytheon. | Massachusetts, USA | Glass, steel, plastic?, assorted metals. | 37614 |
View Record | Bellini-Tosi Radiogoniometer | c. 1907 | Bellini & Tosi. | France | Oak, brass, ebonite, metal. | 37692 |
View Record | Empty Case Of Forward Spark 'B' Wavemeter | c. 1918 | War Department Signals Flying Corps. | Britain | Teak | 37889 |
View Record | Instruction Manual For Aircraft Wireless Telephone Type AD2 | c. 1920 | Sanders Phillips & Co. Ltd. | London | Paper | 38181 |
View Record | Two Mica Crystals | 20th Century | Unknown | Unknown | Mica, mahogany, baize. | 38233 |
View Record | Mazda Radio Valve Type CV6 With Carton | 20th Century | Mazda Company. | Unknown | Glass, plastic?, steel, assorted metals. | 38616 |
View Record | 'Marconi' Crystal Wavemeter Type MC2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Nickel, steel, glass, ebonite, bakelite, teak, copper, paper. | 38737 |
View Record | Raytheon Radio Tube Type 6J7G | Mid 20th Century | Raytheon. | USA | Glass, steel, plastic?, assorted metals. | 39208 |
View Record | Round Radio Valve Type N | c. 1915 | Ediswan. | London | Glass, steel, asbestos, platinum-iridium, assorted metals. | 39244 |
View Record | Amplifier Type 91 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, nickel, glass, steel? bakelite. | 39440 |
View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 39443 |
View Record | Image Orthicon Tube | Mid 20th Century | English Electric Valve Co. Ltd. | England | Glass, bakelite?, steel, nickel, assorted metals. | 39508 |
View Record | Instruction Manuals For Marconi Crystal Receiver Type 16 | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 39535 |
View Record | Marconi Radio Thermal Delay Switch DLS-Type | Early 20th Century | Ediswan. | London | Glass, steel, bakelite?, assorted metals. | 39568 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 39800 |
View Record | Company Seal Embosser GEC Medical Equipment Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 39997 |
View Record | Rotating Multiple Stamp Holder | 20th Century | E.M.R. | London | Steel | 40066 |
View Record | Marconi Receiver Type 226B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, plastic?, ebonite. | 40124 |
View Record | Lamps For Large Switchboard Type 95 | 1920s | Unknown | England | Glass, brass, assorted metals. | 40261 |
View Record | Signal Receiver Type 57A | Dated 1959 | Marconi Instruments Ltd. | England | Steel, plastic, bakelite, glass, assorted metals. | 40275 |
View Record | Replica Of Parabolic Receiver For Marconi's Original Beam System | 1920s/1930s | Marconi's Wireless Telegraph Co. Ltd. | London | Wood, glass, copper, ebonite, assorted metals. | 40344 |
View Record | Mullard Television Valve Type PL504 With Carton | 20th Century | Mullard. | Britain | Glass, steel, assorted metals. | 40357 |
View Record | Mullard Wecovalve Radio Valve Peanut Type | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals. | 40365 |
View Record | Exhibition Medal Exposition Universelle Et Internationale | Dated 1935 | Bonnetain. | Brussels | Gilt metal | 40508 |
View Record | Three-Position Switch | Early 20th Century | Griffin. | London | Mahogany, brass, ebonite, celluloid. | 40839 |
View Record | Brimar Radio Valve Type 50CD6G | Mid 20th Century | Brimar. | England | Glass, steel, plastic?, assorted metals. | 41092 |
View Record | 'Marconi' Auto-Alarm Receiver Type 332 | c.1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, nickel, celluloid?, bakelite?, ebonite. | 41271 |
View Record | Medal Enrico Silvani | Dated 1927 | G. Romagnoli. | Unknown | Bronze | 41328 |
View Record | Marconi Long Wave Panel Type 229B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 41345 |
View Record | Radio Valve Type 6N7G | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 41408 |
View Record | Tuning Condenser | c. 1907 | Unknown | Italy | Brass, steel?, ebonite. | 41634 |
View Record | Fleming Valve | c. 1905 | Ediswan. | London | Copper, glass, brass, assorted metals. | 41677 |
View Record | Precision Measuring Instrument With Case | Early 20th Century | Cambridge Scientific Co. Ltd. | Cambridge, England | Ebonite, brass, baize, mahogany. | 41846 |
View Record | Seven-Valve Receiver | 1920 | Marconi Scientific Instrument Co. Ltd. | London | Teak, ebonite, bakelite?, steel. | 41936 |
View Record | Ken-Rad Radio Tube Type 12SC7 With Carton | Mid 20th Century | Ken-Rad Tube & Lamp Corporation. | Owensboro, Kentucky, USA | Plastic?, steel, assorted metals. | 42016 |
View Record | Morse Key Type 971 | 20th Century | Marconi Company | Britain | Enamel, ebonite, plastic, steel. | 42110 |
View Record | Medal Roerich Museum | Dated 1929 | Henry Dropsy. | USA | Bronze | 42576 |
View Record | Radio-Special Micro Radio Valve Type E6 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 42700 |
View Record | Discharger | Early 20th Century | Unknown | Unknown | Steel, brass, cast iron. | 42997 |
View Record | Small Multiple Discharger | Early 20th Century | Unknown | Unknown | Brass, ebonite. | 43387 |
View Record | Tapped Inductance | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, copper, ebonite. | 43561 |
View Record | Ebonite Partition Insulator | Early 20th Century | Unknown | Unknown | Ebonite, copper?, brass. | 43603 |
View Record | Franklin Master Oscillator | c. 1930 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, ebonite, bakelite, mahogany?, copper. | 43735 |
View Record | Marconi-Osram Radio Valve Type DER | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, plastic?, brass?, assorted metals. | 43964 |
View Record | Tuning Condenser | Early 20th Century | Unknown | Unknown | Brass, ebonite, assorted metals. | 44153 |
View Record | Variometer And Sliding Capacitor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, copper, ebonite, nickel, steel. | 44318 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 44487 |
View Record | Replica Morse Key | Late 20th Century | Unknown | Unknown | Teak, plastic?, brass. | 44566 |
View Record | Short Wave Tuner & Amplifier No. 17 | c. 1915 | Robert W. Paul. | London | Mahogany, ebonite, bakelite?, brass. | 44893 |
View Record | 'Megger' Resistance Meter | Early 20th Century | Evershead & Vignoles Ltd. | London | Teak, glass, steel?, brass, bakelite, assorted metals. | 45250 |
View Record | Instruction Manual For Communications Receiver Model 910/1 | Mid 20th Century | Stratton & Co. Ltd. | Birmingham | Paper | 45899 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 45902 |
View Record | 'Marconi' Crystal Wavemeter Type MC2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Nickel, steel, glass, ebonite, bakelite, teak. | 46042 |
View Record | Marconi Bronze Bust | Dated 1920 | Claire Sheridan. | England | Bronze, marble. | 46043 |
View Record | Telephone Relay | Early 20th Century | Unknown | Britain | Mahogany, brass, nickel. | 46067 |
View Record | Company Seal Embosser Eastnor Electric Company Ltd | 20th Century | Unknown | Britain | Steel, nickel, cooper, baize | 46281 |
View Record | 'Marconi' 1˝KW Quenched Spark Gap Transmitter Type QG | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, steel, iron, nickel, porcelain, copper, assorted metals. | 46329 |
View Record | Marconi Radio Valve Type MT1 | Early 20th Century | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, assorted metals. | 46376 |
View Record | Marconi Radio Valve Type DEHL210 | 20th Century | Marconi-Osram Valves. | England | Glass, steel, bakelite?, assorted metals. | 46377 |
View Record | Tilting Board | c. 1899 | Guglielmo Marconi. | England | Iron?, wood. | 46382 |
View Record | Short Wave Receiver Type CM294C | Dated 1917 | Marconi's Wireless Telegraph Co. of America. | USA | Ebonite, mahogany?, brass, nickel, bakelite, copper, aluminium?, steel. | 46600 |
View Record | Assorted Radio Valves | 20th Century | Unknown | Unknown | Glass, steel, brass, assorted metals. | 46605 |
View Record | Short Distance Wireless Telephone Set Type TT2 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, bakelite, glass, brass, assorted metals. | 46879 |
View Record | Marconi Kryha Cipher Machine | c. 1922 | Marconiphone Co. Ltd. | England | Steel?, assorted metals, glass, nickel. | 46995 |
View Record | Marconi Aerial Tuning Inductance Coil | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Copper, nickel, teak?, brass. | 47154 |
View Record | National Union Radio Tube Type 50L6GT With Carton | c. 1941 | National Union. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 47236 |
View Record | Mobile Television Camera Type BD624C With Electronic Viewfinder Type BD625F | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite, assorted metals. | 47261 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 47321 |
View Record | Morse Key Type 100A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | Britain | Nickel, mahogany, ebonite, steel. | 47410 |
View Record | Lord Kelvin's Multicellular Voltmeter | 1920s | Kelvin Bottomley & Baird Ltd. | Britain | Teak, glass, steel, bakelite, ebonite, brass, iron. | 47607 |
View Record | Ebonite Partition Insulator | Early 20th Century | Unknown | Unknown | Brass, ebonite. | 47690 |
View Record | 'Marconi' Amplifier Type GA2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, leather, steel, assorted metals. | 47978 |
View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 48010 |
View Record | Walnut Side Table | c. 1930 | Unknown | Unknown | Walnut, brass. | 48312 |
View Record | Tuning Condenser With Capacitor Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, wood, ebonite, bakelite, celluloid, nickel, plywood. | 48535 |
View Record | Radio Valve Type P2 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 48561 |
View Record | Large Tuning Condenser | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, glass, ebonite, teak, assorted metals. | 48642 |
View Record | Marconi Radio Valve Type MT1 | c. 1919 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, assorted metals. | 48681 |
View Record | Radio Valve Type 5Z4G | Mid 20th Century | Unknown | Britain | Glass, steel, plastic?, assorted metals. | 48685 |
View Record | Radio Valve Type 6V6G | Mid 20th Century | Mullard. | England | Glass, plastic?, steel, assorted metals. | 48716 |
View Record | Marconi-Osram Radio Valve Type DER | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, steel, plastic?, brass?, assorted metals. | 48922 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 49234 |
View Record | Send/Receive Switch Type 103A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | London | Teak, brass, steel, nickel. | 49244 |
View Record | 'Marconi' Wavemeter Type MP7 | Early 20th Century | Marconi 's Wireless Telegraph Co. Ltd. | London | Carborundum, paper, wood, plastic, ebonite, steel | 49422 |
View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 49429 |
View Record | Marconi Radio Valve Type S625 | c. 1928 | Marconi-Osram Valve Co. Ltd. | England | Glass, plastic?, steel, assorted metals. | 49486 |
View Record | Large Wave-Shortening Condenser With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahongany, jute?, ebonite, steel, brass. | 49571 |
View Record | Large Marine Charging Switchboard | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Ebonite?, metal alloy, glass, brass, assorted metals. | 49739 |
View Record | Marconi Radio Valve Type V24 | c. 1919 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 49744 |
View Record | Marconi Wavemeter Type MC1 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, bakelite, glass, metal?, plastic. | 49948 |
View Record | Marconi-Type Radio Valve | 1920s/1930s | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 50000 |
View Record | Marconiphone Type V2A | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. | 50144 |
View Record | Portrait of Marconi | 20th Century | S. Tushingham | London | Watercolour, paper, glass, wood, brass. | 50421 |
View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 50523 |
View Record | Pillbox With Spare Coherer Parts | c. 1902 | Unknown | Unknown | Assorted metals, crystal, cardboard, cotton wool. | 50538 |
View Record | Instruction Booklet For Aircraft Wireless Telephone Transmitter Type AD1 | c. 1921 | Sanders, Phillips & Co. Ltd. | London | Paper. | 50711 |
View Record | Siemens & Halske Experimental Radio Valve | c. 1917 | Siemens & Halske. | Germany | Glass, bakelite?, steel, assorted metals. | 50748 |
View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Steel, mahogany. | 51047 |
View Record | Small Buzzer Key With Base | Early 20th Century | Unknown | Unknown | Mahogany, brass, copper, plastic. | 51297 |
View Record | Assorted Early Coherer-Related Letters | Early 20th Century | Unknown | Unknown | Paper | 51910 |
View Record | 'Marconi' Wavemeter Type No 2 | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, steel, ebonite, leather, assorted metals. | 52068 |
View Record | Large Main Morse Key | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany, brass, metal alloy, ebonite. | 53026 |
View Record | Triangular Base | Early 20th Century | Unknown | Unknown | Brass, iron, baize. | 53033 |
View Record | Two-Way Morse Key | 1900s | Siemens Bros. & Co. | London | Brass, ebonite, steel | 53048 |
View Record | Early Coherer | c. 1902 | Unknown | Unknown | Glass, copper?, assorted metals. | 53061 |
View Record | Interrupter Type 144 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Cast iron, nickel, teak. | 53329 |
View Record | Radio Valve Type VU120A | Mid 20th Century | Unknown | Unknown | Glass, plastic?, steel, assorted metals. | 53371 |
View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 53392 |
View Record | Marconi's Parabolic Transmitter | c. 1896 | Guglielmo Marconi. | England | Wood, copper, ebonite, steel?, brass. | 53586 |
View Record | Precision Measuring Instrument With Case | Mid 20th Century | Cambridge Scientific Co. Ltd. | Cambridge, England | Ebonite, brass, baize, mahogany. | 53614 |
View Record | Exhibition Medal Esposizione Internazionale | Dated 1956 | Giannino. | Italy | Gilt metal. | 53696 |
View Record | 'Marconi' Direction Finder Type 11F | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, glass, nickel, plastic?, assorted metals. | 54065 |
View Record | Large Iolanda Switchboard | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Ebonite, glass, copper, plastic?, steel?, brass, unidentified material. | 54296 |
View Record | Switch And Lamp Type 94 | Early 20th Century | Unknown | Unknown | Teak?, brass, glass, porcelain?, metal. | 54481 |
View Record | 'Melba' Telephone Microphone No C100L | Dated 1920 | Marconi Company. | England | Mahogany, brass, ebonite, cloth, nickel. | 54651 |
View Record | Terminal | Early 20th Century | Unknown | Unknown | Ebonite, brass?, steel. | 54685 |
View Record | Magneto-Electric Machine | Late 19th Century | Unknown | Unknown | Boxwood?, steel?, brass, velvet. | 54945 |
View Record | Marconi Newton Constant-Speed Windmill 20Y Mark III | c. 1926 | Unknown | Unknown | Aluminium. | 54960 |
View Record | Myers Dry Battery Radio Tube With Carton | c. 1924 | E. B. Myers Co. Ltd. | Canada | Glass, bakelite, steel, assorted metals. | 55098 |
View Record | Walnut Armchair | c. 1930 | Unknown | Unknown | Walnut, leather. | 55254 |
View Record | Cylindrical Reflecting Vertical Galvanometer | c. 1925 | H. Tinsley & Co. | London | Brass, glass, copper, bakelite. | 55299 |
View Record | Company Seal Embosser Oriental Tube Company | 20th Century | Unknown | Britain | Steel, iron. | 55328 |
View Record | Early Coherer No 217 | c. 1899 | Unknown | Unknown | Glass, copper, nickel, silver, assorted metals. | 55585 |
View Record | Civilian Gentleman's Ceremonial Sword | c. 1902 | J. B. Johnstone. | London | Steel, leather. | 55702 |
View Record | Ohmmeter | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Teak, brass, copper, nickel, ebonite, bakelite. | 56269 |
View Record | Republic Radio Tube Type 6F5G With Carton | 20th Century | Republic Radio Manfacturing Corporation. | New Jersey, USA | Plastic?, glass, steel, assorted metals | 56270 |
View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 56300 |
View Record | Forward Spark 'B' Wavemeter No. 2006 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 56341 |
View Record | Proof Print of Marconi | c. 1914 | G. B. Black | London | Paper, plastic, cork. | 56351 |
View Record | Gray Magnetic Relay Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, iron?, ebonite? wood, metal alloy, silver. | 56506 |
View Record | 'Marconi' Wavemeter | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Boxwood, steel, bakelite?, leather, ebonite. | 56547 |
View Record | RCA Radiotron Radio Tube Type 6J7 With Carton | Dated 1943 | RCA. | Philadelphia, USA | Plastic?, steel, assorted metals. | 56677 |
View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 | 20th Century | RCA. | USA | Glass, ribbon, steel, plastic?, assorted metals. | 56681 |
View Record | Marconi Commemorative Plaque | Dated 1911 | D. Sodini. | Italy | Brass, steel. | 56721 |
View Record | Sykes Microphone | 1923 | Sykes. | England | Paper, nickel?, steel, cast iron. | 56738 |
View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, plastic, assorted metals. | 57185 |
View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 57337 |
View Record | Osram Radio Valve Type P2 | 20th Century | Osram. | England | Glass, bakelite?, steel, assorted metals. | 57431 |
View Record | Early Coherer | c. 1899 | Unknown | France | Glass, copper, nickel, silver, assorted metals. | 57633 |
View Record | Large Iolanda Transformer With Case | Early 20th Century | Unknown | Unknown | Mahogany, metal alloy, brass, copper, wood. | 57720 |
View Record | Potentiometer For Marconi Five-Valve Receiver | 1922 | Marconi Scientific Instrument Co. Ltd. | London | Bakelite?, copper, brass?, steel. | 57736 |
View Record | Marconiphone Universal Baby Crystal Receiver | c. 1924 | Marconiphone Co. Ltd. | England | Plastic, galena, nickel, steel, bakelite. | 58056 |
View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | None | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 58568 |
View Record | Marconiphone Two-Valve Receiver Type V2A | c. 1924 | Marconiphone Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. | 58602 |
View Record | Large Main Condenser With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Wood, jute, brass, iron. | 58903 |
View Record | RCA Radiotron Radio Tube Type 6B7 With Carton | 20th Century | RCA. | USA | Glass, plastic?, steel, assorted metals. | 58967 |
View Record | Osram-GEC Radio Valve Type R4 | c. 1916 | Osram G.E.C. | England | Teak?, glass, brass, tungsten, assorted metals. | 59017 |
View Record | Marconi-Osram Radio Valve Type R | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, plastic?, brass?, assorted metals. | 59257 |
View Record | Precision Instrument Model EGM2 | Mid 20th Century | Cambridge Instrument Co. Ltd. | Cambridge, England | Brass, iron, assorted metals. | 59269 |
View Record | 'Marconi Otophone' | 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Leather, celluloid, mahogany, plastic?, bakelite, glass, nickel. | 59451 |
View Record | Multiple Oscillator | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Celluloid, ebonite, steel?, brass. | 59526 |
View Record | 'Marconi' Lifeboat Transmitter Type 241A | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, steel, plastic?, bakelite, assorted metals. | 59677 |
View Record | STC Radio Tube Type 6J5G | Mid 20th Century | Standard Telephones and Cables Ltd. (STC). | England | Glass, plastic?, steel, assorted metals. | 59723 |
View Record | B T-H Plaque | 20th Century | Unknown | Britain | Cast iron, paint. | 59770 |
View Record | Replica Of Parabolic Transmitter For Marconi's Original Beam System | 1920s/1930s | Marconi's Wireless Telegraph Co. Ltd. | England | Wood, copper, brass, steel?, ebonite. | 59943 |
View Record | Marconi Telegraph Communication Chart | c. 1922 | Marconi International Marine Communication Co. Ltd. | London | Wood, glass, paper. | 59984 |
View Record | Marconi Radio Valve Type V24 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 60590 |
View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 60662 |
View Record | Portable Valve Transmitter | 1919 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, nickel, teak, bakelite?, paper. | 61008 |
View Record | Small Coupled Two-Way Switch | Early 20th Century | Unknown | Unknown | Steel, brass, iron?, bakelite?, mahogany?, ebonite. | 61022 |
View Record | Single-Turn Primary Coil | Early 20th Century | Unknown | Unknown | Wood, brass. | 61290 |
View Record | Magneto-Electric Machine | Late 19th Century | Unknown | Unknown | Boxwood?, steel?, brass, velvet. | 61523 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 61674 |
View Record | Trembler Coil | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, nickel, ebonite?, steel. | 61771 |
View Record | RCA Radiotron Acorn Radio Tube Type VT121 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Glass, steel, assorted metals. | 61791 |
View Record | Marconi Five-Valve Receiver | 1922 | Marconi Scientific Instrument Co. Ltd. | London | Teak, nickel, ebonite?, copper, bakelite?, glass. | 62304 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 62344 |
View Record | Marconi Radio Valve Type DE3C | c. 1924 | Marconi-Osram Valves. | London | Glass, bakelite, steel, tungsten, assorted metals. | 62393 |
View Record | Company Seal Embosser Elliot Flight Automation Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 62415 |
View Record | 'Marconi' Ammeter | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel?, brass, copper?, nickel. | 62660 |
View Record | Lead-Acid Accumulator | Early 20th Century | Unknown | Unknown | Teak, leather?, brass. | 62812 |
View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 62884 |
View Record | Early Coherer | c. 1902 | Unknown | Unknown | Glass, elastic, copper?, steel, assorted metals. | 62930 |
View Record | Marconi Crystal Receiver Type 16 | 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, teak, bakelite, brass, steel?, copper. | 63794 |
View Record | Brimar Radio Valve Type 6V6GT | 1940s | Brimar. | England | Glass, plastic?, steel, assorted metals. | 64011 |
View Record | 120 Ohm Resistance Coil | Early 20th Century | Unknown | Unknown | Teak, steel, wax, assorted metals. | 64043 |
View Record | Bell Telephone Microphone | c. 1923 | Unknown | England | Ebonite, cast brass, steel?, nickel. | 64147 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 64286 |
View Record | Company Seal Embosser Firth Cleveland Instruments Ltd | 20th Century | Unknown | Britain | Steel, nickel, wood. | 64400 |
View Record | Tuned Circuit Transmitter | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, plastic, celluloid, brass, glass, steel. | 64464 |
View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, steel, plastic?, assorted metals. | 64468 |
View Record | Porcelain Insulators | 20th Century | Unknown | Unknown | Porcelain, brass, steel?, ebonite. | 64661 |
View Record | Marconi-Osram Radio Valve Type DET 1A | 20th Century | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel-plated, brass, plastic?, assorted metals. | 64933 |
View Record | Rogers Radio Tube Type VR56 | Mid 20th Century | Rogers Canada. | Canada | Glass, steel, plastic?, assorted metals. | 64947 |
View Record | Trembler Coil | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, bakelite, steel, nickel. | 64976 |
View Record | Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Steel, brass, cast-iron, | 64999 |
View Record | Stud Field Regulating Rheostat | Early 20th Century | Electric Construction Co. Ltd. | Wolverhampton, England | Brass, steel, iron, metal alloys | 65352 |
View Record | Alexandra Palace Mast | 1936 | Marconi's Wireless Telegraph Co. Ltd. | Britain | Iron, assorted metals, oak?. | 65804 |
View Record | Large Fixed-Gap Discharger With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Teak, brass, lead?, metal alloy, sand?, ebonite?, steel. | 65806 |
View Record | Portrait of Marconi | 1914 | Gustave Muranyi | Unknown | Oil, canvas, wood, brass, paper, cotton? | 65827 |
View Record | 'Marconi' Direction Finder Type DFM2 | c. 1927 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, ebonite, glass, bakelite, celluloid, steel. | 65922 |
View Record | Voltmeter With Case | Early 20th Century | Unknown | Britain | Oak, brass, glass, celluloid, paper, assorted metals. | 65935 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, ebonite, celluloid. | 66117 |
View Record | 4 Volt Fleming Valve | c. 1905 | Royal Ediswan. | London | Teak?, glass, ebonite, metal alloy, nickel, assorted metals. | 67148 |
View Record | Fleming Valve | c. 1905 | Ediswan. | London | Copper, glass, brass, assorted metals. | 67162 |
View Record | Company Seal Embosser Robtron Controls Ltd | 20th Century | Jordan & Sons Ltd. | London | Steel, nickel, baize. | 67172 |
View Record | RCA Radiotron Cunningham Radio Tube Type 5Z4 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 67628 |
View Record | Marconi Crystal Receiver Type 31C | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, brass, mahogany?, bakelite. | 67687 |
View Record | Righi Oscillator | 1896 | Augusto Righi. | Bologna, Italy | Brass, ebonite, mahogany. | 67799 |
View Record | Coherer Receiver | 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, steel. | 67916 |
View Record | Marconi Radio Valve Type FE2 | c. 1922 | Marconi's Wireless Telegraph Co. Ltd. | London | Glass, nickel?, assorted metals. | 68373 |
View Record | Receiver Type R1155A | c. 1940 | Air Ministry. | Unknown | Aluminium, bakelite?, perspex?, steel. | 68465 |
View Record | Low Frequency Iron Core Inductance In Wooden Box | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Iron, brass, teak. | 68721 |
View Record | Siemens & Halske Radio Valve Type RE87 | 20th Century | Siemens & Halske. | Germany | Glass, steel, brass, bakelite?, assorted metals. | 69068 |
View Record | BBC-Marconi Ribbon Microphone | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Copper, aluminium, bakelite?, assorted metals. | 69070 |
View Record | Mullard Radio Valve Type EF37A | Mid 20th Century | Mullard. | England | Glass, steel, plastic?, assorted metals. | 69132 |
View Record | Marconi Aerial Tuning Inductance Coil | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Copper, nickel, teak?, brass. | 69155 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 69398 |
View Record | Telephone Arc Transmitter | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonised wood, bakelite, mica, brass, teak?, assorted metals, wood | 69632 |
View Record | 'Marconi' Tuning Fork Type BS10 | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, copper, nickel, steel, iron. | 69685 |
View Record | Precision Instrument | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Bakelite, glass, brass, copper, assorted metal, iron` | 69707 |
View Record | Newton Induction Coil | c. 1899 | Newton & Co. | London | Mahogany, brass, ebonite, wax, paper, celluloid. | 69748 |
View Record | Company Seal Embosser J.W. Flower & Company Ltd | 20th Century | Unknown | Britain | Steel, wood, iron?, baize. | 69851 |
View Record | Crystal Valve Receiver | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, brass, bakelite, copper, metal. | 69868 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 69910 |
View Record | Small Tuning Condenser | c. 1916 | Marconi's Wireless Telegrap Co. Ltd. | England | Mahogany?, ebonite, bakelite, celluloid, brass. | 69944 |
View Record | Giant Radio Valve | 1910s | GEC. | England | Glass, polymer, brass, plastic?, nickel. | 70075 |
View Record | Marconi Radio Valve Type DE6 | c. 1925 | Marconi-Osram Valves. | England | Glass, bakelite, brass?, assorted metals. | 70143 |
View Record | Marconi Radio Valve Type Q | c. 1919 | Ediswan. | London | Glass, steel, assorted metals. | 70145 |
View Record | 'Long Tom' Aerial Tuning Inductance Coil | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | Unknown | Copper?, wood, softwood, brass. | 70198 |
View Record | Weston Standard Cell Type D402B | 20th Century | Muirhead & Co. Ltd. | Britain | Bakelite, steel, plastic. | 70200 |
View Record | Marconi Plastic Bust | 20th Century | Unknown | Unknown | Plastic, brass. | 70226 |
View Record | Radio Valve Type ATP4 | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 70312 |
View Record | RCA Radiotron Cunningham Radio Tube 5Z4 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 70529 |
View Record | Two High Frequency Chokes In Mounted Cases | Early 20th Century | Unknown | Unknown | Mahogany, porcelain, copper, teak. | 70536 |
View Record | Morse Key | Early 20th Century | Elliot Brothers (London) Ltd. | London | Teak, bakelite?, brass. | 70589 |
View Record | Replica Righi Oscillator | Late 20th Century | Unknown | Unknown | Brass, ebonite?, plastic?, mahogany. | 70590 |
View Record | Replica Grasshopper Send-Receive Morse Key | Late 20th Century | Unknown | Unknown | Brass, plastic?, mahogany. | 70649 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 70668 |
View Record | Spare Wires | 20th Century | Unknown | Unknown | Plastic, brass?, steel. | 70800 |
View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 70906 |
View Record | Telephone Transformer Type 191A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Hardwood, ebonite, steel. | 71080 |
View Record | Marconi Watercolour | c. 1906 | Leslie Ward. | England | Watercolours, wood, glass, paper. | 71104 |
View Record | Morse Tape Inker | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, mahogany, paper. | 71246 |
View Record | Rotary Spark Discharger | Early 20th Century | Marconi's Wirelss Telegraph Co. Ltd. | London | Steel, brass, cast iron. | 71249 |
View Record | Radio Valve Type AR8 | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 71310 |
View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, bakelite. | 71452 |
View Record | Marconi Five-Valve Receiver | 1922 | Marconi Scientific Instrument Co. Ltd. | London | Teak, ebonite?, bakelite?, copper. | 71494 |
View Record | RCA Radiotron Radio Tube Type 6D6 | 20th Century | RCA. | USA | Plastic?, steel, glass, assorted metals. | 71527 |
View Record | Radio Valve Type VR112 | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 71648 |
View Record | Replica Memorial Plaque Of South WellFleet Station (USA) | Late 20th Century | Unknown | USA | Cast metal. | 71856 |
View Record | Large Company Seal Embosser Chamberlain & Hookham Ltd | 20th Century | Unknown | Britain | Steel, wood. | 71971 |
View Record | Empty Case Of Forward Spark 'B' Wavemeter No. 2001 | c. 1918 | War Department Signals Flying Corps. | Britain | Teak. | 71985 |
View Record | Early Coherer | c. 1899 | Unknown | England | Glass, copper, nickel, silver, assorted metals. | 72143 |
View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 72238 |
View Record | Bone Coherer Support Rod | c. 1902 | Unknown | Unknown | Ivory, assorted metal components. | 72278 |
View Record | RCA Radiotron Radio Tube Type 6C8G With Carton | 20th Century | RCA. | USA | Plastic?, glass, steel, assorted metals. | 72382 |
View Record | Capacitor | Early 20th Century | W.G. Pye & Co. | Cambridge, England | Teak?, plastic?, nickel, ebonite. | 72410 |
View Record | Assorted Spare Parts For Radio Receiver Type BC342N | 1940s | Chicago Transformer Corporation. | USA | Glass, brass, steel, bakelite, assorted metals. | 72568 |
View Record | High Frequency Sliding Inductance | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Brass, ebonite, mahogany. | 72720 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 72723 |
View Record | Marconi Operator's Watch | c. 1910 | Unknown | Switzerland | Enamel, nickel, glass. | 72754 |
View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 72842 |
View Record | Shunt Regulator Type O | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 72885 |
View Record | Exhibition Medal Exposition of Electricity And Serious Industry | Dated 1899 | Unknown | Italy | Aluminium | 72905 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel. | 73031 |
View Record | Fama Radio Valve Type R | c. 1916 | Fama. | Holland | Glass, brass, bakelite?, assorted metals. | 73073 |
View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 73080 |
View Record | Company Seal Embosser W.W. Buckley & Son Ltd | 20th Century | H. Howes & Co. Ltd. | London | Steel, cooper, wood. | 73461 |
View Record | Earth Arrester Plate | Early 20th Century | Unknown | Unknown | Brass, copper. | 73816 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 74162 |
View Record | Signal Hall Kite | c. 1901 | G.C. Spencer & Sons. | London | Linen | 74328 |
View Record | Marconi's Sword-Stick | c. 1900 | Unknown | Unknown | Cane, gilt-metal, steel, turquoise. | 74444 |
View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass. | 74506 |
View Record | Cylindrical Reflecting Vertical Galvanometer | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Iron?, glass, copper, brass. | 74683 |
View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi-Osram Valves. | England | Brass, glass, assorted metals. | 74920 |
View Record | Marconi Radio Valve Type LF2 | 20th Century | Marconi's Valves. | Britain | Glass, plastic?, steel, assorted metals. | 74966 |
View Record | Marconiphone Receiver Type P17B | c. 1950 | Marconi Company. | England | Plastic, chromium, nickel, glass?, leather. | 75181 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 75237 |
View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 75263 |
View Record | 'Marconi' Direction Finder Type 11F | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, glass, nickel, plastic?, assorted metals. | 75339 |
View Record | Company Seal Embosser Switchgear & Cowans Ltd | 20th Century | Art? Right & Rattray Ltd. | Manchester | Steel, copper?, iron, mahogany. | 75359 |
View Record | Company Seal Embosser Walsall Conduits Group Ltd | 20th Century | Jordan & Sons Ltd. | London | Steel, wood, brass?, cooper | 75653 |
View Record | Company Seal Embosser GEC-Elliot Computer Software Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 75823 |
View Record | Three-Turn Primary Coil | Early 20th Century | Unknown | Unknown | Wood, brass. | 75930 |
View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 75969 |
View Record | Experimental Two-Valve Set | c. 1916 | Unknown | Unknown | Ebonite, teak, brass. | 76048 |
View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 76426 |
View Record | Company Seal Embosser Elliot Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 76469 |
View Record | Marconi Note Magifier Type 227B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 76594 |
View Record | Radio Valve Type ARTP2 | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 76654 |
View Record | Large Aerial Tuning Inductance With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany, ebonite, brass. | 76739 |
View Record | Two Ebonite Tube Insulators | Early 20th Century | Unknown | Unknown | Ebonite. | 76742 |
View Record | Hivac Radio Valve Type CV1052 | Mid 20th Century | Hivac. | England | Glass, steel, plastic?, assorted metals. | 76996 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 76997 |
View Record | Marconi Radio Valve Type U33 | 20th Century | Marconi Wireless Telegraph Co. Ltd. | England | Glass, steel, bakelite?, assorted metals. | 77017 |
View Record | Siemens & Halske Radio Valve Type RE87 | 20th Century | Siemens & Halske. | Germany | Glass, steel, brass, bakelite?, assorted metals. | 77413 |
View Record | 12 Volt Fleming Valve | c. 1905 | Royal Ediswan. | London | Glass, brass?, assorted metals. | 77499 |
View Record | Civilian Gentleman's Ceremonial Cocked Hat | c. 1902 | J. B. Johnstone. | London | Cloth, steel. | 78080 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 78432 |
View Record | Townsend Wavemeter | c.1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite?, teak, plastic, cardboard. | 78507 |
View Record | Candlestick Microphone | c. 1927 | Sterling Telephone & Electric Co. Ltd. | London | Bakelite, steel, plastic, assorted metals. | 78582 |
View Record | Leclanche Cell | Early 20th Century | General Electric Co. Ltd. | USA | Glass, earthenware?, steel. | 78623 |
View Record | Radio Receiver Type BC342N | 1940s | Unknown | Unknown | Steel, bakelite, glass, nickel, assorted metals. | 78655 |
View Record | Marconi Bellini-Tosi Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, bakelite, ebonite, steel?, copper. | 78859 |
View Record | Replica Righi Oscillator | Late 20th Century | Unknown | Unknown | Brass, ebonite?, plastic?, mahogany. | 79026 |
View Record | Transmitter Type AD87B | c. 1940 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic, glass, bakelite, iron. | 79145 |
View Record | Three Port Circulator | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, metal. | 79157 |
View Record | Grasshopper Send-Receive Morse Key | c. 1899 | Wireless Telegraph & Signal Company Limited | England | Brass, ebonite, mahogany. | 79280 |
View Record | Osram Radio Valve Type CM8 | 20th Century | Osram. | England | Glass, steel, bakelite?, assorted metals. | 79293 |
View Record | Assorted Copper Busbars And Ebonite Insulators | Early 20th Century | Unknown | Unknown | Copper, metal alloy?, ebonite. | 79425 |
View Record | Shunt Regulator Type OA | 20th Century | Unknown | Unknown | Brass, wood?, copper, iron. | 79427 |
View Record | Mazda Radio Valve Type PY33 With Carton | 1960s | Mazda. | England | Glass, steel, plastic?, assorted metals. | 79516 |
View Record | Marconi Sykes Microphone | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, ebonite, brass, nickel. | 79721 |
View Record | Marconi Radio Valve Type U10 | 20th Century | Marconi-Osram Valves. | London | Glass, steel, plastic, assorted metals. | 79785 |
View Record | Gecophone Crystal Set | c. 1921 | GEC. | Unknown | Mahogany, bakelite?, ebonite, nickel, brass, steel | 80012 |
View Record | Marconi Radio Valve Type D42 | 20th Century | Marconiphone Co. Ltd. | England | Glass, steel, bakelite?, assorted metals. | 80037 |
View Record | RCA Radiotron Radio Tube Type VR54 | 20th Century | RCA. | USA | Plastic?, steel, assorted metals. | 80165 |
View Record | Marconi-Osram Radio Valve Type DER | 1920s | Marconi-Osram Valve Co. Ltd. | London | Glass, steel, brass?, plastic?, assorted metals. | 80189 |
View Record | Receiver Type R1155A | c. 1942 | Air Ministry. | Unknown | Aluminium, bakelite?, perspex?, steel. | 80256 |
View Record | Aircraft Wireless Receiver | c. 1921 | Marconi's Wireless Telegraph Co. Lt.d | London | Teak, nickel, ebonite, bakelite, brass, celluloid, assorted metals. | 80281 |
View Record | Zaerix Electronic Valve Type KTW61 | Mid 20th Century | Z & I Aero Services Ltd. | London | Glass, steel, plastic?, assorted metals. | 80385 |
View Record | Hytron Radio Tube Type E1148 With Carton | Dated 1944 | Hytron Corporation. | Massachusetts, USA | Mica, plastic?, glass, steel, assorted metals. | 80500 |
View Record | Fleming Valve | c. 1889 | Prof. J.A. Fleming. | England | Glass, nickel, steel, ebonite, wood. | 80572 |
View Record | National Union Radio Tube Type 35Z5GT With Carton | c. 1942 | National Union. | USA | Glass, plastic, steel, assorted metals. | 80623 |
View Record | Osram Radio Valve Type R | c. 1918 | Osram. | England | Glass, tungsten, brass?, steel, assorted metals. | 80773 |
View Record | Cluster Of Six Small Glass Tubes | c. 1902 | Unknown | Unknown | Glass, elastic, steel, assorted metals. | 80963 |
View Record | 18-Inch Induction Coil | 1898 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, copper, ivory?, steel. | 81193 |
View Record | Ken-Rad Radio Tube Type 6SN7GT | Mid 20th Century | Ken-Rad. | USA | Glass, plastic?, steel, assorted metals. | 81227 |
View Record | Aircraft Wireless Telephone Transmitter Type AD1 | 1921 | Marconi's Wireless Telegraph Co. Ltd. | England | Wood, linen, steel, bakelite, ebonite, brass, glass, assorted metals. | 81229 |
View Record | Marconi Receiver CR100 | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic, nickel, bakelite, perspex, assorted metals. | 81277 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 81565 |
View Record | Walnut Kneehole Desk | c. 1935 | Unknown | Unknown | Walnut, brass. | 82016 |
View Record | Marconi-Osram Radio Valve Type R | c. 1925 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, plastic?, brass?, assorted metals. | 82041 |
View Record | RCA Radiotron Radio Tube Type 6D6 | 20th Century | RCA. | USA | Plastic?, steel, glass, assorted metals. | 82120 |
View Record | Rogers Radio Tube Type VR56 | Mid 20th Century | Rogers Canada. | Canada | Glass, steel, plastic?, assorted metals. | 82126 |
View Record | 'Marconi' Auto-Alarm Morse Key Type 316A | c. 1920 | Marconi Company. | England | Steel, ebonite?, bakelite?, metal. | 82360 |
View Record | Brass-Tipped Bone Stylus | c. 1902 | Unknown | Unknown | Ivory, brass, assorted metals. | 82611 |
View Record | Marconi Radio Valve Type V24 | 1920s | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 83077 |
View Record | Mullard Radio Valve Type 2D4A | Mid 1930s | Mullard. | Britain | Glass, plastic?, steel, assorted metals. | 83305 |
View Record | Dario Radio Valve Micro Special | Mid 20th Century | Dario. | France | Glass, plastic?, steel, assorted metals. | 83471 |
View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 83921 |
View Record | Morse Key Type 365 | 20th Century | Marconi International Marine Communication Co. Ltd. | London | Steel, enamel, brass, nickel, ebonite. | 83986 |
View Record | Multiple Oscillator | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, steel?, brass. | 84014 |
View Record | Triple Crystal Detector | Early 20th Century | Unknown | Unknown | Brass, copper, ebonite. | 84133 |
View Record | Marconi-Osram Radio Valve Type MPT4 | Late 1920s | Marconi-Osram Valve Co. Ltd. | London | Glass, plastic?, steel, assorted metals. | 84752 |
View Record | Company Seal Embosser GEC-Elliot Automation Ltd | 20th Century | Unknown | Britain | Nickel, iron?, steel, baize. | 84767 |
View Record | Philips Radio Valve Type R | 1920s | Philips. | Holland | Glass, steel, bakelite?, brass?, tungsten, assorted metals. | 84869 |
View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 84925 |
View Record | Large Cylindrical Leyden Jar | 1900 | Unknown | Unknown | Glass, teak?, brass. | 85146 |
View Record | Marconi-Osram Radio Valve Type R | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, plastic?, brass?, assorted metals. | 85569 |
View Record | Experimental Fleming Valve | c. 1889 | Prof. J.A. Fleming. | London | Glass, nickel, steel, ebonite, wood. | 85593 |
View Record | Short Wave Receiver Type 372 | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Metal, plastic?, glass. | 85745 |
View Record | Instruction Booklets For Marconi Wavemeters | c. 1919 | Sanders, Phillips & Co. Ltd. | London | Paper. | 86206 |
View Record | Marconi's Coherer Receiver | 1896 | Guglielmo Marconi. | England | Steel, teak, brass, glass, mahogany?, ivory, assorted metals. | 86390 |
View Record | 4 Volt Experimental Fleming Oscillation Valve | 1904 | Ediswan. | London | Wood, glass, steel?, brass. | 86405 |
View Record | BBC Radio Crystals With Tin | Early 20th Century | BBC Crystal Ltd. | Britain | Mica?, tin. | 86416 |
View Record | Mazda Radio Tube Type AR8 | c. 1938 | Mazda. | England | Glass, plastic?, steel, assorted metals. | 86462 |
View Record | Tungsram Radio Valve Type P43t-38 With Carton | 20th Century | Tungsram. | France | Glass, halogen, steel, ceramic?, copper?, plastic?, assorted metals. | 86475 |
View Record | Silvertown Condensor | Marked 1918 | Silvertown. | USA | Brass, ebonite, iron?, teak. | 86740 |
View Record | Morse Key | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, ebonite, mahagony. | 86892 |
View Record | Tuned Field Transmitter | 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, mahogany, glass, ebonite. | 87142 |
View Record | Marconi Radio Valve | 1920s/1930s | Marconiphone Co. Ltd. | England | Glass, steel, plastic?, assorted metals. | 87176 |
View Record | Ink-Writer | c. 1900 | General Post Office. | England | Mahogany, brass, glass, paper. | 87203 |
View Record | Triple X-Stopper | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, brass, mahogany, metal alloy. | 87224 |
View Record | 'Marconi' Tuning Fork | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, copper, nickel, steel, iron. | 87284 |
View Record | Bone Coherer Support Rod | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | England | Ivory, nickel?, copper, assorted metals. | 87538 |
View Record | Coil-Type Testing Buzzer With Case | Early 20th Century | Unknown | Unknown | Wood, brass, copper, fibre, ebonite. | 87609 |
View Record | Coil For Receiver Type R1155A | c. 1940 | Air Ministry. | Unknown | Iron, bakelite?, steel. | 87758 |
View Record | Marconi Radio Valve Type LP2 | 1930s | Marconi-Osram Valves. | England | Glass, steel, bakelite, assorted metals. | 88183 |
View Record | Company Seal Embosser Marconi Television Company Ltd | 20th Century | Unknown | Britain | Steel, wood, cooper. | 88195 |
View Record | Empty Case Of Forward Spark 'B' Wavemeter No. 1360 | c. 1918 | War Department Signals Flying Corps. | Britain | Teak | 88505 |
View Record | Instruction Booklet for Marconi Kryha Cipher Machine | c. 1922 | Marconi Company. | London | Paper | 88541 |
View Record | Marconi Emblem Plaque | 20th Century | Marconi Company. | England | Bronze, paint. | 88561 |
View Record | Marconi Induction Coil | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, plastic, brass, ivory?, copper | 88737 |
View Record | Marconi Radio Valve Type DE6 | c. 1925 | Marconi-Osram Valves. | London | Glass, bakelite, brass?, assorted metals. | 88794 |
View Record | Early Coherer | c. 1899 | Unknown | Unknown | Glass, copper, nickel, silver, assorted metals. | 88920 |
View Record | RCA Radiotron Radio Tube 42 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 89266 |
View Record | 12 Volt Fleming Valve | c. 1905 | Ediswan. | London | Mahogany?, glass, ebonite, metal alloy, nickel, assorted metals. | 89342 |
View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, plastic?, nickel, iron, copper. | 89483 |
View Record | Reproduction Photograph Of Dame Melba | 20th Century | Unknown | England | Cardboard, photographic paper. | 89558 |
View Record | Telephone Jigger Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, plastic?, cooper. | 89862 |
View Record | 12 Volt Fleming Valve | c. 1905 | Ediswan. | London | Wood, baize, brass?, nickel, glass, ebonite. | 89981 |
View Record | Marconiphone Two-Valve Receiver Type V2A | c. 1924 | Marconiphone Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, assorted metals. | 90029 |
View Record | Aircraft Direction Finder Receiver Type AD16 | c. 1928 | Marconi's Wireless Telegraph Co. Ltd. | London | Wood, cloth, bakelite, ebonite, glass, celluloid | 90152 |
View Record | Carborundum Detector | Early 20th Century | Unknown | Unknown | Ebonite, nickel. | 90595 |
View Record | Marconi Radio Valve Type V24 | 1920s | Marconi Osram Valves. | London | Glass, steel, assorted metals. | 90635 |
View Record | Stud Motor Starter | Early 20th Century | Electric Construction Co. Ltd. | Wolverhampton, England | Brass, copper, iron, steel, metal alloys. | 90897 |
View Record | Audion Radio Valve | c. 1907 | Lee De Forest. | USA | Glass, assorted metals. | 90974 |
View Record | Walnut Wardrobe | c. 1930 | Unknown | Unknown | Walnut, brass, glass, metal. | 91156 |
View Record | Case For Coherer Receiver | c. 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, brass. | 91438 |
View Record | Company Seal Embosser Betram Thomas Ltd | 20th Century | Jordan & Sons Ltd. | London | Wood, steel, cooper, brass, metal. | 91470 |
View Record | Radio Valve Type CV1342 | 1950s | Unknown | Britain | Glass, plastic?, steel, assorted metals. | 91546 |
View Record | Righi Oscillator | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Plastic, celluloid, mahogany, brass, ebonite, bakelite | 91607 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 91673 |
View Record | RCA Radiotron Radio Tube Type 80 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 91686 |
View Record | Double-Pole Single-Throw Switch | Early 20th Century | Unknown | England | Ebonite, wood, teak?, steel, brass, copper alloy. | 91708 |
View Record | Gulstad Relay | Early 20th Century | Elliot Brothers (London) Ltd. | London | Metal, brass, glass, nickel. | 91761 |
View Record | Toothed Disc For Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Brass | 91762 |
View Record | Balloon Envelope Radio Valve | 20th Century | Unknown | Unknown | Glass, steel, bakelite, assorted metals. | 92020 |
View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 92047 |
View Record | Marconi Bronze Bust | 1920 | Claire Sheridan. | England | Bronze, marble. | 92061 |
View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 92097 |
View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 92107 |
View Record | Townsend Wavemeter | Dated 1918 | Marconi's Wireless Telegraph Co. Ltd | London | Bakelite?, teak, paper/cardboard?, plastic, ebonite. | 92109 |
View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 92559 |
View Record | Walnut Safe Cabinet | c. 1930 | Unknown | Unknown | Walnut, brass, steel. | 92745 |
View Record | Marconi Radio Valve Type FE2 | c. 1922 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel?, assorted metals. | 92775 |
View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 92814 |
View Record | Marconi Crystal Receiver A Type RB3 | 1922 | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, bakelite, steel, nickel, brass, paper, assorted metals. | 93260 |
View Record | Exhibition Medal Franco-British Exhibition | Dated 1908 | F. Bowcher. | Birmingham | Gilt silver. | 93608 |
View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, plastic?, assorted metals. | 93609 |
View Record | 4 Volt Fleming Valve | c. 1905 | Royal Ediswan. | London | Brass, glass, assorted metals. | 93660 |
View Record | RCA Radiotron Cunningham Radio Tube Type 5Z4 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 93797 |
View Record | Mullard Radio Valve Type PY33 | 1960s | Mullard. | Britain | Glass, steel, plastic?, assorted metals. | 93858 |
View Record | Small Ohmmeter | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Teak, brass, copper, ebonite, bakelite. | 93933 |
View Record | Experimental Two-Valve Set | c. 1916 | Unknown | Unknown | Ebonite, teak, brass. | 94035 |
View Record | 1901 Transatlantic Billi Condenser | c. 1901 | Unknown | Unknown | Copper, waxed paper. | 94060 |
View Record | British-Style Radio Valve | 20th Century | Unknown | Britain | Glass, bakelite, nickel, steel, assorted metals. | 94143 |
View Record | Newton Induction Coil | 1897 | Newton & Co. | London | Mahogany, brass, ivory?, celluloid, ebonite. | 94316 |
View Record | 'Marconi' Universal Aircraft Telegraph Transmitter/Receiver Type AD6D | c. 1928 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, bakelite, steel, ebonite, glass, assorted metals. | 94461 |
View Record | Marconi Radio Valve Type R | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, nickel, steel?, tungsten, assorted metals. | 94475 |
View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 94536 |
View Record | Portrait of Marconi | Dated 1912 | A Chevalier Taylor | London | Oil, canvas, wood, plaster, cork, brass, paper, steel, nylon? | 94575 |
View Record | Replica Morse Key | Late 20th Century | Unknown | Unknown | Teak, plastic?, brass. | 94821 |
View Record | Onwood's Patent Ohmmeter | Early 20th Century | Gambrell Brothers Ltd. | London | Teak?, glass, nickel, brass, ebonite, assorted metals. | 95036 |
View Record | Morse Key Type 971 | 20th Century | Marconi Company. | Britain | Enamel, ebonite, plastic, steel. | 95560 |
View Record | GEC Bakelite Radio Receiver | Mid 20th Century | General Electric Co. Ltd. | England | Hardened glass?, bakelite | 95767 |
View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Mahogany. | 95808 |
View Record | 'Marconi' Mercury Phone Card | Late 20th Century | TRT/FTC Communications Inc. | Britain | Plastic. | 95936 |
View Record | Carton For Marconi Valve Type GTIC | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Paper | 96026 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass, bakelite. | 96057 |
View Record | Lapel Pin National Institute Of Inventors | 20th Century | Unknown | Unknown | Gilt metal. | 96207 |
View Record | Siemens Radio Valve Type LD2 | c. 1945 | Siemens. | Germany | Steel, glass, assorted metals. | 96292 |
View Record | 1901 Transatlantic Self-Restoring Coherer | c. 1901 | Lieutenant Luigi Solari. | Italy | Glass, ebonite, brass, mercury, iron/carbon. | 96386 |
View Record | Ohmmeter | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Teak, brass, copper, nickel, ebonite, bakelite. | 96442 |
View Record | Variometer | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, rope, porcelain, mahogany, brass, bakelite. | 96466 |
View Record | Marconi Reproduction Photograph | 20th Century | J. Beuyann. | Unknown | Photographic print. | 96591 |
View Record | Osram-GEC Radio Valve Type R4 | 1917 | Osram-GEC. | England | Teak?, glass, copper?, tungsten, assorted metals. | 96640 |
View Record | 1901 Transatlantic Receiver | 1901 | Collier-Marr Telephone & Electrical Manufacturing Co. Ltd. | Manchester | Brass, ebonite, iron. | 96661 |
View Record | Facsimile Of Daily Sketch | Dated 1912 | E. Hulton & Co., Limited. | England | Paper. | 96891 |
View Record | Mullard Radio Valve Type ECC35 | 20th Century | Mullard. | Britain | Glass, plastic?, steel, assorted metals. | 96920 |
View Record | Morse Twin-Contact Key | 20th Century | Unknown | Britain | Ebonite, bakelite, glass, nickel?, brass. | 96935 |
View Record | 75th Anniversary Commemorative Cup | 1978 | Ceragraphics Panorama Studios. | Devon, England | China, paint, gold. | 96983 |
View Record | Precision Instrument | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, glass, bakelite, brass, iron, assorted metals. | 97073 |
View Record | Remote-Control Switch | Early 20th Century | Unknown | Unknown | Teak, steel, cord, brass, copper. | 97148 |
View Record | Marconiphone Six-Valve Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | London | Mahogany, bakelite, steel, glass, copper. | 97219 |
View Record | Tungsram Radio Valve Type RV200/600 | Mid 20th Century | Tungsram. | England | Glass, steel, plastic?, assorted metals. | 97232 |
View Record | Coil Condensor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Brass?, wood. | 97470 |
View Record | All-Wave Super 6 Radiogram | 1937 | GEC. | England | Walnut, glass, plastic, nylon?, brass, assorted metals. | 97710 |
View Record | Tuning Condenser | c. 1915 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 98095 |
View Record | Marconi Crystal Receiver Type 31 | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Bakelite?, ebonite, teak, brass, steel?, metal. | 98216 |
View Record | Communications Receiver Model 910/1 With Speaker | Mid 20th Century | Marconi International Marine Communication Co. Ltd. | England | Glass, bakelite, steel?, assorted metals. | 98230 |
View Record | Tuned Transmitter | 1899 | Guglielmo Marconi. | England | Wood, glass, brass, assorted metals. | 98396 |
View Record | Marconi-Reisz Microphone | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Carbon?, ebonite, mica, marble. | 98482 |
View Record | Studio Photograph of H. Cuthbert Hall? | Early 20th Century | Elliott & Fry | London | Paper, oak?, brass, nylon? | 98535 |
View Record | Kilo-Volt Test Instrument | 1920s/1930s | Jack Worrell. | England | Mahogany?, brass, steel, porcelain, baize, glass, assorted metals. | 98599 |
View Record | Company Seal Embosser EA Automation Sevices Ltd | 20th Century | Unknown | Unknown | Steel, wood, baize. | 98826 |
View Record | 'Marconi' Wavemeter Instruction Leaflet | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 98851 |
View Record | Early Small Coherer | c. 1895 | Guglielmo Marconi. | Italy | Glass, elastic, copper?, assorted metals. | 98899 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 98935 |
View Record | Case For Coherer Receiver | 1905 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel | 98971 |
View Record | Marconi Crystal Receiver With Valve | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, teak, bakelite, brass, steel?, copper. | 99012 |
View Record | Coherer Receiver | Dated 1905 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, glass, ivory, ebonite, assorted metals. | 99245 |
View Record | Magnetic Detector | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 99266 |
View Record | Magnetic Key Relay | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Teak, brass, steel, unknown material, wood. | 99331 |
View Record | Variable Resistance Switch For Aircraft Wireless Telephone Type AD2 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Plastic?, nickel, assorted metals. | 99434 |
View Record | Marconiphone Crystal Junior Receiver Type RB2 | 1922 | Marconi's Wireless Telegraph Co. Ltd. | Chelmsford, England | Galena, carborundum, ebonite, nickel, celluloid, steel, bakelite, plastic? | 99532 |
View Record | De Forest Audiotron Radio Valve | Early 20th Century | De Forest. | Unknown | Copper?, glass, assorted metals. | 99552 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 99640 |
View Record | Morse Tape Inker | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, mahogany, paper. | 99765 |
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