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Displaying 551 to 570 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Round Radio Valve Type N c. 1915 Ediswan. London Glass, steel, asbestos, platinum-iridium, assorted metals. 22293
View Record S. E. Marchesi Marconi 1931 Sir Max Beerbohm London Paper, watercolour, plastic, metal, nylon? 16862
View Record Send/Receive Switch Type 103A Early 20th Century Marconi International Marine Communication Co. Ltd. London Teak, brass, steel, nickel. 49244
View Record Set Of Inductors Type TM1438 20th Century Marconi Instruments Ltd. England Wood, leather, steel, bakelite 23891
View Record Seven-Valve Receiver 1920 Marconi Scientific Instrument Co. Ltd. London Teak, ebonite, bakelite?, steel. 41936
View Record Ship's Bridge Telephone Early 20th Century Unknown Unknown Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. 72842
View Record Ship's Bridge Telephone Early 20th Century Unknown Unknown Mahogany?, nickel, bakelite?, plastic, assorted metals. 57185
View Record Ship's Bridge Telephone Early 20th Century Unknown None Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. 58568
View Record Ship's Direction Finder 1920s Unknown Unknown Glass, plastic, bakelite, teak?, copper, assorted metals. 35780
View Record Ship's Transmitter Jigger Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany. 29208
View Record Ship's Wireless Spark-Gap 1905 Marconi's Wireless Telegraph Co. Ltd. London Brass, cast iron, teak, metal. 25812
View Record Short Distance Wireless Telephone Set Type TT2 c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Teak, ebonite, bakelite, glass, brass, assorted metals. 46879
View Record Short Wave Receiver Type 372 Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. London Metal, plastic?, glass. 85745
View Record Short Wave Receiver Type CM294C Dated 1917 Marconi's Wireless Telegraph Co. of America. USA Ebonite, mahogany?, brass, nickel, bakelite, copper, aluminium?, steel. 46600
View Record Short Wave Tuner & Amplifier No. 17 c. 1915 Robert W. Paul. London Mahogany, ebonite, bakelite?, brass. 44893
View Record Shunt Regulator Type O 20th Century Unknown Unknown Iron, bakelite?, brass. 72885
View Record Shunt Regulator Type OA 20th Century Unknown Unknown Brass, wood?, copper, iron. 79427
View Record Shunt Regulator 20th Century Unknown Unknown Iron, bakelite?, brass. 25048
View Record Side-Lever Morse Key c. 1910 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, ebonite, brass, bakelite. 12506
View Record Siemens & Halske Experimental Radio Valve c. 1917 Siemens & Halske. Germany Glass, bakelite?, steel, assorted metals. 50748

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