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Displaying 411 to 460 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
View Record Small Morse Key Early 20th Century Unknown Unknown Steel, bakelite. 71452
View Record Marconi Five-Valve Receiver 1922 Marconi Scientific Instrument Co. Ltd. London Teak, ebonite?, bakelite?, copper. 71494
View Record RCA Radiotron Radio Tube Type 6D6 20th Century RCA. USA Plastic?, steel, glass, assorted metals. 71527
View Record Radio Valve Type VR112 Mid 20th Century Unknown England Glass, plastic?, steel, assorted metals. 71648
View Record Replica Memorial Plaque Of South WellFleet Station (USA) Late 20th Century Unknown USA Cast metal. 71856
View Record Large Company Seal Embosser Chamberlain & Hookham Ltd 20th Century Unknown Britain Steel, wood. 71971
View Record Empty Case Of Forward Spark 'B' Wavemeter No. 2001 c. 1918 War Department Signals Flying Corps. Britain Teak. 71985
View Record Early Coherer c. 1899 Unknown England Glass, copper, nickel, silver, assorted metals. 72143
View Record Call Sign 20th Century Unknown Unknown Mahogany, plastic, metal. 72238
View Record Bone Coherer Support Rod c. 1902 Unknown Unknown Ivory, assorted metal components. 72278
View Record RCA Radiotron Radio Tube Type 6C8G With Carton 20th Century RCA. USA Plastic?, glass, steel, assorted metals. 72382
View Record Capacitor Early 20th Century W.G. Pye & Co. Cambridge, England Teak?, plastic?, nickel, ebonite. 72410
View Record Assorted Spare Parts For Radio Receiver Type BC342N 1940s Chicago Transformer Corporation. USA Glass, brass, steel, bakelite, assorted metals. 72568
View Record High Frequency Sliding Inductance Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Brass, ebonite, mahogany. 72720
View Record RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton Mid 20th Century RCA. New Jersey, USA Plastic?, steel, assorted metals. 72723
View Record Marconi Operator's Watch c. 1910 Unknown Switzerland Enamel, nickel, glass. 72754
View Record Ship's Bridge Telephone Early 20th Century Unknown Unknown Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. 72842
View Record Shunt Regulator Type O 20th Century Unknown Unknown Iron, bakelite?, brass. 72885
View Record Exhibition Medal Exposition of Electricity And Serious Industry Dated 1899 Unknown Italy Aluminium 72905
View Record Radio Valve Type ARP12 c. 1939 Unknown England Glass, plastic?, steel. 73031
View Record Fama Radio Valve Type R c. 1916 Fama. Holland Glass, brass, bakelite?, assorted metals. 73073
View Record Frame Aerial For Marconiphone Receiver Type 61 c. 1928 Marconiphone Co. Ltd. England Mahogany, steel, copper, bakelite. 73080
View Record Company Seal Embosser W.W. Buckley & Son Ltd 20th Century H. Howes & Co. Ltd. London Steel, cooper, wood. 73461
View Record Earth Arrester Plate Early 20th Century Unknown Unknown Brass, copper. 73816
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 74162
View Record Signal Hall Kite c. 1901 G.C. Spencer & Sons. London Linen 74328
View Record Marconi's Sword-Stick c. 1900 Unknown Unknown Cane, gilt-metal, steel, turquoise. 74444
View Record Cover For Multiple Tuner c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, brass, glass. 74506
View Record Cylindrical Reflecting Vertical Galvanometer Early 1920s Cambridge & Paul Instrument Co. Ltd. England Iron?, glass, copper, brass. 74683
View Record Marconi Radio Valve Type DEQ c. 1923 Marconi-Osram Valves. England Brass, glass, assorted metals. 74920

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