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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

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