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Displaying 171 to 220 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Marconi Radio Valve Type MH4 c. 1931 Marconi's Wireless Telegraph Co. Ltd. England Cooper, steel, plastic?, assorted metals. 20104
View Record Grasshopper Send-Receive Morse Key c. 1899 Wireless Telegraph & Signal Company Limited England Brass, ebonite, mahogany. 79280
View Record Morse Tape Inker c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany, paper. 71246
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 Assorted Components For T1154 And R1155A In Wooden Chest 1940s Unknown England Wood, steel, glass, canvas, assorted metals. 13044
View Record Marconi Radio Valve Type DEV c. 1923 Marconi Valves. England Glass, steel, assorted metals. 75263
View Record Marconi Radio Valve Type DEV c. 1923 Marconi Valves. England Glass, steel, assorted metals. 94536
View Record Marconiphone Universal Baby Crystal Receiver c. 1924 Marconiphone Co. Ltd. England Plastic, galena, nickel, steel, bakelite. 58056
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Brass, ebonite, celluloid. 66117
View Record Tuning Condenser No 4 c. 1906 Marconi's Wireless Telegraph Co. Ltd. England Ebonite, brass, paper. 20696
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 Side-Lever Morse Key c. 1910 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, ebonite, brass, bakelite. 12506
View Record Tuning Condenser c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Ebonite, steel?, nickel. 28159
View Record Tuning Condenser c. 1915 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass. 98095
View Record Tuning Condenser c. 1915 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass. 18093
View Record Bell Telephone Microphone c. 1923 Unknown England Brass, ebonite, nickel. 35219
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass. 75237
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass, bakelite. 34701
View Record Three Port Circulator 20th Century Marconi's Wireless Telegraph Co. Ltd. England Steel, metal. 79157
View Record Giant Radio Valve 1910s GEC. England Glass, polymer, brass, plastic?, nickel. 70075
View Record Morse Key c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Brass, ebonite, mahagony. 86892
View Record Tuned Transmitter 1899 Guglielmo Marconi. England Wood, glass, brass, assorted metals. 98396
View Record Bell Telephone Microphone c. 1923 Unknown England Ebonite, cast brass, steel?, nickel. 64147
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 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 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 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 'Marconi' Ammeter 20th Century Marconi's Wireless Telegraph Co. Ltd. England Glass, steel?, brass, copper?, nickel. 62660
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass, bakelite. 96057
View Record Small Tuning Condenser c. 1916 Marconi's Wireless Telegrap Co. Ltd. England Mahogany?, ebonite, bakelite, celluloid, brass. 69944
View Record Early Coherer c. 1899 Unknown England Glass, copper, nickel, silver, assorted metals. 72143
View Record Bone Coherer Support Rod c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Ivory, nickel?, copper, assorted metals. 87538
View Record Facsimile Of Daily Sketch Dated 1912 E. Hulton & Co., Limited. England Paper. 96891
View Record Reproduction Photograph Of Dame Melba 20th Century Unknown England Cardboard, photographic paper. 89558
View Record Lamps For Large Switchboard Type 95 1920s Unknown England Glass, brass, assorted metals. 40261
View Record Cylindrical Reflecting Vertical Galvanometer Early 1920s Cambridge & Paul Instrument Co. Ltd. England Iron?, glass, copper, brass. 74683
View Record Small Ohmmeter Early 1920s Cambridge & Paul Instrument Co. Ltd. England Teak, brass, copper, ebonite, bakelite. 93933
View Record Ohmmeter Early 1920s Cambridge & Paul Instrument Co. Ltd. England Teak, brass, copper, nickel, ebonite, bakelite. 56269
View Record Ohmmeter Early 1920s Cambridge & Paul Instrument Co. Ltd. England Teak, brass, copper, nickel, ebonite, bakelite. 96442
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 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 Marconi's Coherer Receiver 1896 Guglielmo Marconi. England Steel, teak, brass, glass, mahogany?, ivory, assorted metals. 86390
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 Aircraft Wireless Telephone Type AD2 c. 1920 Marconi's Wireless Telegraph Co. Ltd. England Linen, ebonite, glass, wood, plastic?, assorted metals. 12938
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 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 Fleming Valve c. 1889 Prof. J.A. Fleming. England Glass, nickel, steel, ebonite, wood. 80572
View Record Bradfield Leading-In Insulator No.1 1910 Marconi's Wireless Telegraph Co. Ltd. England Iron, ebonite. 13694

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