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Displaying 411 to 430 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Giant Radio Valve 1910s GEC. England Glass, polymer, brass, plastic?, nickel. 70075
View Record Marconi Radio Valve Type DE6 c. 1925 Marconi-Osram Valves. England Glass, bakelite, brass?, assorted metals. 70143
View Record Marconi Radio Valve Type Q c. 1919 Ediswan. London Glass, steel, assorted metals. 70145
View Record 'Long Tom' Aerial Tuning Inductance Coil c. 1900 Marconi's Wireless Telegraph Co. Ltd. Unknown Copper?, wood, softwood, brass. 70198
View Record Weston Standard Cell Type D402B 20th Century Muirhead & Co. Ltd. Britain Bakelite, steel, plastic. 70200
View Record Marconi Plastic Bust 20th Century Unknown Unknown Plastic, brass. 70226
View Record Radio Valve Type ATP4 Mid 20th Century Unknown England Glass, plastic?, steel, assorted metals. 70312
View Record RCA Radiotron Cunningham Radio Tube 5Z4 With Carton Mid 20th Century RCA. New Jersey, USA Plastic?, steel, assorted metals. 70529
View Record Two High Frequency Chokes In Mounted Cases Early 20th Century Unknown Unknown Mahogany, porcelain, copper, teak. 70536
View Record Morse Key Early 20th Century Elliot Brothers (London) Ltd. London Teak, bakelite?, brass. 70589
View Record Replica Righi Oscillator Late 20th Century Unknown Unknown Brass, ebonite?, plastic?, mahogany. 70590
View Record Replica Grasshopper Send-Receive Morse Key Late 20th Century Unknown Unknown Brass, plastic?, mahogany. 70649
View Record RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton 20th Century RCA. New Jersey, USA Glass, plastic?, steel, assorted metals. 70668
View Record Spare Wires 20th Century Unknown Unknown Plastic, brass?, steel. 70800
View Record Marconi Radio Valve Type V24 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 70906
View Record Telephone Transformer Type 191A Early 20th Century Marconi International Marine Communication Co. Ltd. England Hardwood, ebonite, steel. 71080
View Record Marconi Watercolour c. 1906 Leslie Ward. England Watercolours, wood, glass, paper. 71104
View Record Morse Tape Inker c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany, paper. 71246
View Record Rotary Spark Discharger Early 20th Century Marconi's Wirelss Telegraph Co. Ltd. London Steel, brass, cast iron. 71249
View Record Radio Valve Type AR8 Mid 20th Century Unknown England Glass, plastic?, steel, assorted metals. 71310

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