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Displaying 351 to 550 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Shunt Regulator | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 25048 |
| View Record | Shunt Regulator Type O | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 72885 |
| View Record | Direction-Finding Coil For Receiver Type R1155A | c. 1940 | Air Ministry. | Unknown | Iron, bakelite?, plastic?, steel. | 29505 |
| View Record | Coil For Receiver Type R1155A | c. 1940 | Air Ministry. | Unknown | Iron, bakelite?, steel. | 87758 |
| View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 39443 |
| View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 92107 |
| 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 | Marconi Sykes Microphone | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, ebonite, brass, nickel. | 79721 |
| View Record | Bradfield Leading-In Insulator No.1 | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Iron, ebonite. | 13694 |
| View Record | Four-Second Alarm Type KM1 | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, metal, nickel, glass. | 13115 |
| View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 53392 |
| View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 19420 |
| View Record | Large Rotary Converter | Dated 1915 | Electric Construction Co. Ltd. | Wolverhampton, England | Iron, steel, brass, copper, metal alloy. | 29140 |
| View Record | Irwin Oscillograph | Early 20th Century | Robert W. Paul. | London | Iron?, brass, copper. | 30624 |
| View Record | Cylindrical Reflecting Vertical Galvanometer | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Iron?, glass, copper, brass. | 74683 |
| View Record | Metal Component Pair FT-162 For Radio | 20th Century | Unknown | Unknown | Iron?, steel, nickel. | 18465 |
| View Record | Tilting Board | c. 1899 | Guglielmo Marconi. | England | Iron?, wood. | 46382 |
| View Record | Bone Coherer Support Rod | c. 1902 | Unknown | Unknown | Ivory, assorted metal components. | 72278 |
| View Record | Brass-Tipped Bone Stylus | c. 1902 | Unknown | Unknown | Ivory, brass, assorted metals. | 82611 |
| View Record | Bone Coherer Support Rod | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | England | Ivory, nickel?, copper, assorted metals. | 87538 |
| View Record | Generator Propellor | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | Unknown | Laminated mahogany, brass. | 32068 |
| View Record | 'Marconi Otophone' | 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Leather, celluloid, mahogany, plastic?, bakelite, glass, nickel. | 59451 |
| View Record | Marconiphone Receiver Model 235 | c. 1935 | Marconiphone Co. Ltd. | England | Leathercloth, chromium, simulated mother-of pearl | 35936 |
| View Record | Signal Hall Kite | c. 1901 | G.C. Spencer & Sons. | London | Linen | 74328 |
| 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 | Telegraph Relay | Early 20th Century | H.W. Sullivan. | London | Mahogany, baize, glass, brass, iron?, assorted metals. | 34506 |
| 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 | Marconiphone Six-Valve Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | London | Mahogany, bakelite, steel, glass, copper. | 97219 |
| View Record | Gecophone Crystal Set | c. 1921 | GEC. | Unknown | Mahogany, bakelite?, ebonite, nickel, brass, steel | 80012 |
| View Record | Small Buzzer Key With Base | Early 20th Century | Unknown | Unknown | Mahogany, brass, copper, plastic. | 51297 |
| View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 75969 |
| View Record | Magnetic Detector | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 99266 |
| View Record | Marconi's Oil Righi Oscillator | 1895 | Augusto Righi. | Bologna, Italy | Mahogany, brass, ebonite, celluloid. | 21300 |
| View Record | Three-Position Switch | Early 20th Century | Griffin. | London | Mahogany, brass, ebonite, celluloid. | 40839 |
| View Record | 'Melba' Telephone Microphone No C100L | Dated 1920 | Marconi Company. | England | Mahogany, brass, ebonite, cloth, nickel. | 54651 |
| View Record | 18-Inch Induction Coil | 1898 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, copper, ivory?, steel. | 81193 |
| View Record | Induction Coil | 1900s | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, ivory?, copper. | 17841 |
| View Record | Newton Induction Coil | c. 1899 | Newton & Co. | London | Mahogany, brass, ebonite, wax, paper, celluloid. | 69748 |
| View Record | Coherer Receiver | Dated 1905 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, glass, ivory, ebonite, assorted metals. | 99245 |
| View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass, paper. | 13774 |
| View Record | Ink-Writer | c. 1900 | General Post Office. | England | Mahogany, brass, glass, paper. | 87203 |
| View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass. | 74506 |
| View Record | Newton Induction Coil | 1897 | Newton & Co. | London | Mahogany, brass, ivory?, celluloid, ebonite. | 94316 |
| 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 | 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 | Telephone Relay | Early 20th Century | Unknown | Britain | Mahogany, brass, nickel. | 46067 |
| View Record | Coherer Receiver | 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, steel. | 67916 |
| 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 | Marconiphone Two-Valve Receiver Type V2A | c. 1924 | Marconiphone Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. | 58602 |
| 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 | Short Wave Tuner & Amplifier No. 17 | c. 1915 | Robert W. Paul. | London | Mahogany, ebonite, bakelite?, brass. | 44893 |
| View Record | Side-Lever Morse Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, ebonite, brass, bakelite. | 12506 |
| View Record | Multiple Tuner | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 36479 |
| View Record | Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 28107 |
| 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 | Marconi Induction Coil | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, plastic, brass, ivory?, copper | 88737 |
| View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, glass, brass, ebonite, bakelite, iron. | 18289 |
| 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 | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 50523 |
| View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 56300 |
| View Record | Large Iolanda Transformer With Case | Early 20th Century | Unknown | Unknown | Mahogany, metal alloy, brass, copper, wood. | 57720 |
| View Record | Radio Call Sign | Early 20th Century | Unknown | Unknown | Mahogany, paint. | 20091 |
| View Record | Tuned Circuit Transmitter | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, plastic, celluloid, brass, glass, steel. | 64464 |
| View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 92097 |
| View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 72238 |
| View Record | Two High Frequency Chokes In Mounted Cases | Early 20th Century | Unknown | Unknown | Mahogany, porcelain, copper, teak. | 70536 |
| View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 73080 |
| View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 49429 |
| 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 | Telephone Relay Type G | c. 1908 | S.G. Brown. | London | Mahogany, steel?, brass. | 13183 |
| View Record | Induction Coil | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, wax, brass, ivory?, ebonite, celluloid. | 12640 |
| View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Mahogany. | 95808 |
| View Record | Kilo-Volt Test Instrument | 1920s/1930s | Jack Worrell. | England | Mahogany?, brass, steel, porcelain, baize, glass, assorted metals. | 98599 |
| View Record | Small Tuning Condenser | c. 1916 | Marconi's Wireless Telegrap Co. Ltd. | England | Mahogany?, ebonite, bakelite, celluloid, brass. | 69944 |
| 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 | Pair Of Mounted Guard Lamps | Early 20th Century | Unknown | Unknown | Mahogany?, glass, copper, brass. | 24488 |
| View Record | 12 Volt Fleming Valve | c. 1905 | Ediswan. | London | Mahogany?, glass, ebonite, metal alloy, nickel, assorted metals. | 89342 |
| View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 72842 |
| View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | None | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 58568 |
| View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, plastic, assorted metals. | 57185 |
| 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 | Variable Pitch Generator Windmill | Early 20th Century | Unknown | Unknown | Metal alloy, iron. | 32380 |
| View Record | Gulstad Relay | Early 20th Century | Elliot Brothers (London) Ltd. | London | Metal, brass, glass, nickel. | 91761 |
| 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 | 'Marconi' Auto-Alarm Buzzer Type 225 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Metal, ebonite?, aluminium, steel. | 34759 |
| View Record | Short Wave Receiver Type 372 | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Metal, plastic?, glass. | 85745 |
| View Record | Two Mica Crystals | 20th Century | Unknown | Unknown | Mica, mahogany, baize. | 38233 |
| View Record | Hytron Radio Tube Type E1148 With Carton | Dated 1944 | Hytron Corporation. | Massachusetts, USA | Mica, plastic?, glass, steel, assorted metals. | 80500 |
| View Record | BBC Radio Crystals With Tin | Early 20th Century | BBC Crystal Ltd. | Britain | Mica?, tin. | 86416 |
| View Record | Company Seal Embosser GEC-Elliot Automation Ltd | 20th Century | Unknown | Britain | Nickel, iron?, steel, baize. | 84767 |
| View Record | Morse Key Type 100A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | Britain | Nickel, mahogany, ebonite, steel. | 47410 |
| View Record | Morse Key Type 100A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | Britain | Nickel, mahogany, ebonite, steel. | 24429 |
| 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 | 'Marconi' Crystal Wavemeter Type MC2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Nickel, steel, glass, ebonite, bakelite, teak. | 46042 |
| View Record | Horn Loudspeaker Type AR19 | c. 1923 | Graham Amplion Ltd. | London | Oak, brass, baize. | 28052 |
| View Record | Bellini-Tosi Radiogoniometer | c. 1907 | Bellini & Tosi. | France | Oak, brass, ebonite, metal. | 37692 |
| View Record | Voltmeter With Case | Early 20th Century | Unknown | Britain | Oak, brass, glass, celluloid, paper, assorted metals. | 65935 |
| View Record | Portrait of Marconi | 1914 | Gustave Muranyi | Unknown | Oil, canvas, wood, brass, paper, cotton? | 65827 |
| View Record | Portrait of Marconi | Dated 1912 | A Chevalier Taylor | London | Oil, canvas, wood, plaster, cork, brass, paper, steel, nylon? | 94575 |
| View Record | Carton For Marconi Valve Type GTIC | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Paper | 96026 |
| View Record | Assorted Early Coherer-Related Letters | Early 20th Century | Unknown | Unknown | Paper | 51910 |
| View Record | Instruction Manual For Communications Receiver Model 910/1 | Mid 20th Century | Stratton & Co. Ltd. | Birmingham | Paper | 45899 |
| View Record | Instruction Booklet for Marconi Kryha Cipher Machine | c. 1922 | Marconi Company. | London | Paper | 88541 |
| View Record | Catalogue For Aircraft Wireless Receiver | c. 1921 | Marconi's Wireless Telegraph Co. Ltd. | England | Paper | 32919 |
| View Record | Instruction Manual For Aircraft Wireless Telephone Type AD2 | c. 1920 | Sanders Phillips & Co. Ltd. | London | Paper | 38181 |
| View Record | Sykes Microphone | 1923 | Sykes. | England | Paper, nickel?, steel, cast iron. | 56738 |
| View Record | Studio Photograph of H. Cuthbert Hall? | Early 20th Century | Elliott & Fry | London | Paper, oak?, brass, nylon? | 98535 |
| View Record | Proof Print of Marconi | c. 1914 | G. B. Black | London | Paper, plastic, cork. | 56351 |
| View Record | Purchase Receipt For Marconi Radio Type T36 AB | Dated 1954 | E.M.I. Sales & Service Ltd. | London | Paper, plastic. | 35311 |
| View Record | S. E. Marchesi Marconi | 1931 | Sir Max Beerbohm | London | Paper, watercolour, plastic, metal, nylon? | 16862 |
| View Record | Instruction Booklets For Marconi Wavemeters | c. 1919 | Sanders, Phillips & Co. Ltd. | London | Paper. | 86206 |
| View Record | 'Marconi' Wavemeter Instruction Leaflet | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 98851 |
| View Record | Facsimile Of Daily Sketch | Dated 1912 | E. Hulton & Co., Limited. | England | Paper. | 96891 |
| View Record | Facsimile Of Fleming Letter | c. 1904 | J.A. Fleming. | London | Paper. | 18292 |
| View Record | Album of Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 34635 |
| View Record | Instruction Manual For The Marconi Direction Finder Type No. 6 | c. 1916 | Sanders Phillips & Co. Ltd. | London | Paper. | 23434 |
| View Record | Instruction Manuals For Marconi Crystal Receiver Type 16 | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 39535 |
| View Record | Instruction Booklet For Aircraft Wireless Telephone Transmitter Type AD1 | c. 1921 | Sanders, Phillips & Co. Ltd. | London | Paper. | 50711 |
| View Record | Marconi Reproduction Photograph | 20th Century | J. Beuyann. | Unknown | Photographic print. | 96591 |
| View Record | Marconi Plastic Bust | 20th Century | Unknown | Unknown | Plastic, brass. | 70226 |
| View Record | Spare Wires | 20th Century | Unknown | Unknown | Plastic, brass?, steel. | 70800 |
| View Record | Righi Oscillator | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Plastic, celluloid, mahogany, brass, ebonite, bakelite | 91607 |
| View Record | Marconiphone Personal Receiver Type P17B | c. 1950 | Marconiphone Co. Ltd. | England | Plastic, chromium, nickel, glass?, leather. | 33654 |
| View Record | Marconiphone Receiver Type P17B | c. 1950 | Marconi Company. | England | Plastic, chromium, nickel, glass?, leather. | 75181 |
| View Record | Marconiphone Universal Baby Crystal Receiver | c. 1924 | Marconiphone Co. Ltd. | England | Plastic, galena, nickel, steel, bakelite. | 58056 |
| View Record | Illuminated Globe | 1971 | George Philip & Son Limited | London | Plastic, paper, glass, assorted metals. | 27716 |
| View Record | Record | 1920s | Columbia Records. | London | Plastic, paper. | 16050 |
| View Record | 'Marconi' Mercury Phone Card | Late 20th Century | TRT/FTC Communications Inc. | Britain | Plastic. | 95936 |
| 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 | Triotron Radio Tube Type 6F8G With Carton | 20th Century | Triotron Radio. | Austria | Plastic?, glass, steel, assorted metals. | 19616 |
| View Record | RCA Radiotron Radio Tube Type 6C8G With Carton | 20th Century | RCA. | USA | Plastic?, glass, steel, assorted metals. | 72382 |
| 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 | RCA Radiotron Radio Tube Type VR54 | 20th Century | RCA. | USA | Plastic?, steel, assorted metals. | 80165 |
| View Record | RCA Radiotron Radio Tube Type VR54 | 20th Century | RCA. | USA | Plastic?, steel, assorted metals. | 15408 |
| 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 | RCA Radiotron Cunningham Radio Tube 5Z4 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 70529 |
| 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 | 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 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 76997 |
| 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 | RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 72723 |
| 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 | RCA Radiotron Cunningham Radio Tube Type 5Z4 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 93797 |
| 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 | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 17167 |
| View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 84925 |
| 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 | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 60662 |
| View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 31810 |
| View Record | RCA Radiotron Radio Tube Type 6D6 | 20th Century | RCA. | USA | Plastic?, steel, glass, assorted metals. | 82120 |
| View Record | RCA Radiotron Radio Tube Type 6D6 | 20th Century | RCA. | USA | Plastic?, steel, glass, assorted metals. | 71527 |
| View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 57337 |
| View Record | Porcelain Insulators | 20th Century | Unknown | Unknown | Porcelain, brass, steel?, ebonite. | 64661 |
| View Record | Commemarative Plate | c. 1903 | W. Adams & Co. | England | Pottery | 37493 |
| View Record | Silver Table Lighter With Case | Dated 1912 | Alfred Foster. | London | Silver, bakelite?, marble, velvet, silk, leather. | 35386 |
| View Record | Ladies' Silver Pocket Scent Bottle | Hallmarked 1911 | Charles Perry & Co. of Birmingham. | Birmingham | Silver. | 37413 |
| View Record | Rotating Multiple Stamp Holder | 20th Century | E.M.R. | London | Steel | 40066 |
| View Record | Case For Coherer Receiver | 1905 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel | 98971 |
| View Record | Company Seal Embosser Marconi Television Company Ltd | 20th Century | Unknown | Britain | Steel, wood, cooper. | 88195 |
| View Record | Company Seal Embosser Fan Manufacturing Company | 20th Century | Witherby & Co. Ltd. | London | Steel, baize. | 20679 |
| 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 Auto-Alarm Type M | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, bakelite, glass, assorted metals. | 24207 |
| View Record | Radio Receiver Type BC342N | 1940s | Unknown | Unknown | Steel, bakelite, glass, nickel, assorted metals. | 28392 |
| View Record | Radio Receiver Type BC342N | 1940s | Unknown | Unknown | Steel, bakelite, glass, nickel, assorted metals. | 78655 |
| View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, bakelite. | 71452 |
| View Record | Marconi Receiver Type AD8882B | c. 1939 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite?, perspex?, steel. | 27685 |
| View Record | Townsend Wavemeter | c.1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite?, teak, plastic, cardboard. | 78507 |
| View Record | Forward 'B' Spark Wavemeter No. 1339 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 22136 |
| View Record | Forward Spark 'B' Wavemeter No. 1511 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 12772 |
| View Record | Forward Spark 'B' Wavemeter No. 2006 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 56341 |
| View Record | Rotary Spark Discharger | Early 20th Century | Marconi's Wirelss Telegraph Co. Ltd. | London | Steel, brass, cast iron. | 71249 |
| View Record | Discharger | Early 20th Century | Unknown | Unknown | Steel, brass, cast iron. | 42997 |
| View Record | Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Steel, brass, cast-iron, | 64999 |
| View Record | Small Coupled Two-Way Switch | Early 20th Century | Unknown | Unknown | Steel, brass, iron?, bakelite?, mahogany?, ebonite. | 61022 |
| View Record | Case For Coherer Receiver | c. 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, brass. | 91438 |
| View Record | Company Seal Embosser W.W. Buckley & Son Ltd | 20th Century | H. Howes & Co. Ltd. | London | Steel, cooper, wood. | 73461 |
| View Record | Company Seal Embosser Switchgear & Cowans Ltd | 20th Century | Art? Right & Rattray Ltd. | Manchester | Steel, copper?, iron, mahogany. | 75359 |
| View Record | Franklin Master Oscillator | c. 1930 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, ebonite, bakelite, mahogany?, copper. | 43735 |
| View Record | 'Marconi' Auto-Alarm Morse Key Type 316A | c. 1920 | Marconi Company. | England | Steel, ebonite?, bakelite?, metal. | 82360 |
| View Record | Morse Key Type 365 | 20th Century | Marconi International Marine Communication Co. Ltd. | London | Steel, enamel, brass, nickel, ebonite. | 83986 |
| View Record | Telefunken Radio Valve Type LD15 | c. 1945 | Telefunken. | Germany | Steel, glass, assorted metals. | 14100 |
| View Record | Siemens Radio Valve Type LD2 | c. 1945 | Siemens. | Germany | Steel, glass, assorted metals. | 96292 |
| 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 | Company Seal Embosser Oriental Tube Company | 20th Century | Unknown | Britain | Steel, iron. | 55328 |
| View Record | Civilian Gentleman's Ceremonial Sword | c. 1902 | J. B. Johnstone. | London | Steel, leather. | 55702 |
| View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Steel, mahogany. | 51047 |
| 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 | Three Port Circulator | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, metal. | 79157 |
| View Record | Company Seal Embosser Robtron Controls Ltd | 20th Century | Jordan & Sons Ltd. | London | Steel, nickel, baize. | 67172 |
| View Record | Company Seal Embosser Eastnor Electric Company Ltd | 20th Century | Unknown | Britain | Steel, nickel, cooper, baize | 46281 |
| View Record | Transmitter Tuner Type MC13 | c. 1930 | Unknown | Unknown | Steel, nickel, plastic, assorted metals. | 18269 |
| View Record | Company Seal Embosser Firth Cleveland Instruments Ltd | 20th Century | Unknown | Britain | Steel, nickel, wood. | 64400 |
| View Record | Signal Receiver Type 57A | Dated 1959 | Marconi Instruments Ltd. | England | Steel, plastic, bakelite, glass, assorted metals. | 40275 |
| View Record | Transmitter Type AD87B | c. 1940 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic, glass, bakelite, iron. | 79145 |
| 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 | Hytron Radio Tube Type CV1759 With Carton | Dated 1944 | Hytron Corporation. | Massachusetts, USA | Steel, plastic?, glass, assorted metals. | 25098 |
| View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, plastic?, nickel, iron, copper. | 89483 |
| 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 | Marconi's Coherer Receiver | 1896 | Guglielmo Marconi. | England | Steel, teak, brass, glass, mahogany?, ivory, assorted metals. | 86390 |
| View Record | Company Seal Embosser EA Automation Sevices Ltd | 20th Century | Unknown | Unknown | Steel, wood, baize. | 98826 |