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Displaying 471 to 520 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Experimental Two-Valve Set c. 1916 Unknown Unknown Ebonite, teak, brass. 76048
View Record Marconi Radio Valve Type V24 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 76426
View Record Company Seal Embosser Elliot Ltd 20th Century Unknown Britain Steel, wood, brass, baize. 76469
View Record Marconi Note Magifier Type 227B c. 1920 Marconi International Marine Communication Co. Ltd. England Teak, chromium, bakelite?, ebonite. 76594
View Record Radio Valve Type ARTP2 Mid 20th Century Unknown England Glass, plastic?, steel, assorted metals. 76654
View Record Large Aerial Tuning Inductance With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahogany, ebonite, brass. 76739
View Record Two Ebonite Tube Insulators Early 20th Century Unknown Unknown Ebonite. 76742
View Record Hivac Radio Valve Type CV1052 Mid 20th Century Hivac. England Glass, steel, plastic?, assorted metals. 76996
View Record RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton Mid 20th Century RCA. New Jersey, USA Plastic?, steel, assorted metals. 76997
View Record Marconi Radio Valve Type U33 20th Century Marconi Wireless Telegraph Co. Ltd. England Glass, steel, bakelite?, assorted metals. 77017
View Record Siemens & Halske Radio Valve Type RE87 20th Century Siemens & Halske. Germany Glass, steel, brass, bakelite?, assorted metals. 77413
View Record 12 Volt Fleming Valve c. 1905 Royal Ediswan. London Glass, brass?, assorted metals. 77499
View Record Civilian Gentleman's Ceremonial Cocked Hat c. 1902 J. B. Johnstone. London Cloth, steel. 78080
View Record RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton 20th Century RCA. New Jersey, USA Glass, plastic?, steel, assorted metals. 78432
View Record Townsend Wavemeter c.1918 Marconi's Wireless Telegraph Co. Ltd. London Steel, bakelite?, teak, plastic, cardboard. 78507
View Record Candlestick Microphone c. 1927 Sterling Telephone & Electric Co. Ltd. London Bakelite, steel, plastic, assorted metals. 78582
View Record Leclanche Cell Early 20th Century General Electric Co. Ltd. USA Glass, earthenware?, steel. 78623
View Record Radio Receiver Type BC342N 1940s Unknown Unknown Steel, bakelite, glass, nickel, assorted metals. 78655
View Record Marconi Bellini-Tosi Direction Finder c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, bakelite, ebonite, steel?, copper. 78859
View Record Replica Righi Oscillator Late 20th Century Unknown Unknown Brass, ebonite?, plastic?, mahogany. 79026
View Record Transmitter Type AD87B c. 1940 Marconi's Wireless Telegraph Co. Ltd. England Steel, plastic, glass, bakelite, iron. 79145
View Record Three Port Circulator 20th Century Marconi's Wireless Telegraph Co. Ltd. England Steel, metal. 79157
View Record Grasshopper Send-Receive Morse Key c. 1899 Wireless Telegraph & Signal Company Limited England Brass, ebonite, mahogany. 79280
View Record Osram Radio Valve Type CM8 20th Century Osram. England Glass, steel, bakelite?, assorted metals. 79293
View Record Assorted Copper Busbars And Ebonite Insulators Early 20th Century Unknown Unknown Copper, metal alloy?, ebonite. 79425
View Record Shunt Regulator Type OA 20th Century Unknown Unknown Brass, wood?, copper, iron. 79427
View Record Mazda Radio Valve Type PY33 With Carton 1960s Mazda. England Glass, steel, plastic?, assorted metals. 79516
View Record Marconi Sykes Microphone c. 1923 Marconi's Wireless Telegraph Co. Ltd. London Iron, ebonite, brass, nickel. 79721
View Record Marconi Radio Valve Type U10 20th Century Marconi-Osram Valves. London Glass, steel, plastic, assorted metals. 79785
View Record Gecophone Crystal Set c. 1921 GEC. Unknown Mahogany, bakelite?, ebonite, nickel, brass, steel 80012
View Record Marconi Radio Valve Type D42 20th Century Marconiphone Co. Ltd. England Glass, steel, bakelite?, assorted metals. 80037
View Record RCA Radiotron Radio Tube Type VR54 20th Century RCA. USA Plastic?, steel, assorted metals. 80165
View Record Marconi-Osram Radio Valve Type DER 1920s Marconi-Osram Valve Co. Ltd. London Glass, steel, brass?, plastic?, assorted metals. 80189
View Record Receiver Type R1155A c. 1942 Air Ministry. Unknown Aluminium, bakelite?, perspex?, steel. 80256
View Record Aircraft Wireless Receiver c. 1921 Marconi's Wireless Telegraph Co. Lt.d London Teak, nickel, ebonite, bakelite, brass, celluloid, assorted metals. 80281
View Record Zaerix Electronic Valve Type KTW61 Mid 20th Century Z & I Aero Services Ltd. London Glass, steel, plastic?, assorted metals. 80385
View Record Hytron Radio Tube Type E1148 With Carton Dated 1944 Hytron Corporation. Massachusetts, USA Mica, plastic?, glass, steel, assorted metals. 80500
View Record Fleming Valve c. 1889 Prof. J.A. Fleming. England Glass, nickel, steel, ebonite, wood. 80572
View Record National Union Radio Tube Type 35Z5GT With Carton c. 1942 National Union. USA Glass, plastic, steel, assorted metals. 80623
View Record Osram Radio Valve Type R c. 1918 Osram. England Glass, tungsten, brass?, steel, assorted metals. 80773
View Record Cluster Of Six Small Glass Tubes c. 1902 Unknown Unknown Glass, elastic, steel, assorted metals. 80963
View Record 18-Inch Induction Coil 1898 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, copper, ivory?, steel. 81193
View Record Ken-Rad Radio Tube Type 6SN7GT Mid 20th Century Ken-Rad. USA Glass, plastic?, steel, assorted metals. 81227
View Record Aircraft Wireless Telephone Transmitter Type AD1 1921 Marconi's Wireless Telegraph Co. Ltd. England Wood, linen, steel, bakelite, ebonite, brass, glass, assorted metals. 81229
View Record Marconi Receiver CR100 Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. England Steel, plastic, nickel, bakelite, perspex, assorted metals. 81277
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 81565
View Record Walnut Kneehole Desk c. 1935 Unknown Unknown Walnut, brass. 82016
View Record Marconi-Osram Radio Valve Type R c. 1925 Marconi-Osram Valve Co. Ltd. London Glass, nickel, plastic?, brass?, assorted metals. 82041
View Record RCA Radiotron Radio Tube Type 6D6 20th Century RCA. USA Plastic?, steel, glass, assorted metals. 82120
View Record Rogers Radio Tube Type VR56 Mid 20th Century Rogers Canada. Canada Glass, steel, plastic?, assorted metals. 82126

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