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Displaying 141 to 160 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Marconi Radio Valve Type V24 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 29519
View Record 'Marconi' Direction Finder Type DFM2 c. 1927 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, ebonite, glass, bakelite, celluloid, steel. 29821
View Record RCA Radiotron Cunningham Radio Tube Type 5Z4 With Carton Mid 20th Century RCA. New Jersey, USA Plastic?, steel, assorted metals. 30472
View Record Irwin Oscillograph Early 20th Century Robert W. Paul. London Iron?, brass, copper. 30624
View Record Induction Coil For Tuned Field Transmitter 1907 Marconi's Wireless Telegraph Co. Ltd. London Brass, mahogany, ebonite. 30667
View Record National Union Radio Tube Type 12SA7GT With Carton c. 1942 National Union. New Jersey, USA Glass, plastic?, steel, assorted metals. 30961
View Record Large Emergency Morse Key Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Brass, metal alloy, teak, ebonite. 31025
View Record Earth Arrester Plate Early 20th Century Unknown Unknown Brass, copper. 31083
View Record Marconi's Parabolic Receiver c. 1896 Guglielmo Marconi. England Wood, copper, nickel, glass, assorted metals. 31092
View Record Manganin Coils Dial Bridge Early 20th Century W.G. Pye & Co. Cambridge, England Teak, ebonite, bakelite, brass, copper, celluloid, assorted metals. 31104
View Record Marconi Radio Valve Type Q c. 1919 Ediswan. London Glass, steel, assorted metals. 31396
View Record Puratone Rubon Radio Valve 1924 Puratone Rubon. Britain Glass, plastic, steel, assorted metals. 31417
View Record Bust of T. L. Eckersley Late 20th Century K. Scott. Unknown Bronze, oak?, plaster, metal. 31421
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, bakelite?, assorted metals. 31425
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 31778
View Record RCA Radiotron Radio Tube Type 6D6 With Carton 20th Century RCA. New Jersey, USA Plastic?, steel, glass, assorted metals. 31810
View Record Vertical Precision Instrument Early 20th Century Unknown Unknown Brass, paint, bronze, assorted metals. 32039
View Record Generator Propellor 20th Century Marconi's Wireless Telegraph Co. Ltd. Unknown Laminated mahogany, brass. 32068
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 32090
View Record Multiple Oscillator c. 1898 Unknown England Brass, ebonite, mahogany. 32103

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