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Displaying 271 to 290 of 655 records

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Heading Date Maker Place Materials Inv Num
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

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