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Displaying 261 to 280 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Amplifier Type 91 c. 1918 Marconi's Wireless Telegraph Co. Ltd. London Teak, nickel, glass, steel? bakelite. 39440
View Record Variable Pitch Generator Windmill Early 20th Century Unknown Unknown Metal alloy, iron. 32380
View Record Osram Radio Valve Type R c. 1918 Osram. England Glass, tungsten, brass?, steel, assorted metals. 80773
View Record GPO Radio Valve Type No 2 20th Century Unknown Britain Glass, brass, plastic?, nickel. 26614
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 Forward 'B' Spark Wavemeter No. 1339 c. 1918 War Department Signals Flying Corps. Britain Steel, brass, bakelite?, teak, carborundum. 22136
View Record Townsend Wavemeter c.1918 Marconi's Wireless Telegraph Co. Ltd. London Steel, bakelite?, teak, plastic, cardboard. 78507
View Record Townsend Wavemeter Dated 1918 Marconi's Wireless Telegraph Co. Ltd London Bakelite?, teak, paper/cardboard?, plastic, ebonite. 92109
View Record Silvertown Condensor Marked 1918 Silvertown. USA Brass, ebonite, iron?, teak. 86740
View Record 'Marconi' Amplifier Type GA2 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, leather, steel, assorted metals. 47978
View Record Forward Spark 'B' Wavemeter No. 2006 c. 1918 War Department Signals Flying Corps. Britain Steel, brass, bakelite?, teak, carborundum. 56341
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 Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 27357
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 45902
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 81565
View Record Portable Valve Transmitter 1919 Marconi's Wireless Telegraph Co. Ltd. London Brass, nickel, teak, bakelite?, paper. 61008
View Record Marconi Radio Valve Type Q c. 1919 Ediswan. London Glass, steel, assorted metals. 31396
View Record Marconi Radio Valve Type Q c. 1919 Ediswan. London Glass, steel, assorted metals. 70145
View Record Marconi Radio Valve Type V24 c. 1918 Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 60590
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 74162

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