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Displaying 131 to 180 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Marconi Crystal Receiver With Valve | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, teak, bakelite, brass, steel?, copper. | 99012 |
| View Record | Marconi Crystal Receiver Type 16 | 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, teak, bakelite, brass, steel?, copper. | 63794 |
| View Record | Experimental Two-Valve Set | c. 1916 | Unknown | Unknown | Ebonite, teak, brass. | 94035 |
| View Record | Experimental Two-Valve Set | c. 1916 | Unknown | Unknown | Ebonite, teak, brass. | 76048 |
| View Record | Double-Pole Single-Throw Switch | Early 20th Century | Unknown | England | Ebonite, wood, teak?, steel, brass, copper alloy. | 91708 |
| View Record | Two Ebonite Tube Insulators | Early 20th Century | Unknown | Unknown | Ebonite. | 76742 |
| View Record | Syntoniser | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite?, iron?, teak. | 21593 |
| View Record | Large Marine Charging Switchboard | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Ebonite?, metal alloy, glass, brass, assorted metals. | 49739 |
| View Record | Morse Key Type 971 | 20th Century | Marconi Company. | Britain | Enamel, ebonite, plastic, steel. | 95560 |
| View Record | Morse Key Type 971 | 20th Century | Marconi Company | Britain | Enamel, ebonite, plastic, steel. | 42110 |
| View Record | Marconi Operator's Watch | c. 1910 | Unknown | Switzerland | Enamel, nickel, glass. | 72754 |
| View Record | Marconiphone Crystal Junior Receiver Type RB2 | 1922 | Marconi's Wireless Telegraph Co. Ltd. | Chelmsford, England | Galena, carborundum, ebonite, nickel, celluloid, steel, bakelite, plastic? | 99532 |
| View Record | Exhibition Medal Exposition of Decorative and Modern Art | Dated 1902 | Unknown | Italy | Gilt metal | 34377 |
| View Record | Exhibition Medal Exposition Universelle Et Internationale | Dated 1935 | Bonnetain. | Brussels | Gilt metal | 40508 |
| View Record | Lapel Pin National Institute Of Inventors | 20th Century | Unknown | Unknown | Gilt metal. | 96207 |
| View Record | Exhibition Medal Esposizione Internazionale | Dated 1956 | Giannino. | Italy | Gilt metal. | 53696 |
| View Record | Exhibition Medal Franco-British Exhibition | Dated 1908 | F. Bowcher. | Birmingham | Gilt silver. | 93608 |
| View Record | Fleming Valve | c. 1905 | Ediswan. | London | Glass, assorted metals, brass. | 21803 |
| View Record | Audion Radio Valve | c. 1907 | Lee De Forest. | USA | Glass, assorted metals. | 90974 |
| View Record | Marconi Radio Valve Type DE6 | c. 1925 | Marconi-Osram Valves. | London | Glass, bakelite, brass?, assorted metals. | 88794 |
| View Record | Marconi Radio Valve Type DE6 | c. 1925 | Marconi-Osram Valves. | England | Glass, bakelite, brass?, assorted metals. | 70143 |
| View Record | British-Style Radio Valve | 20th Century | Unknown | Britain | Glass, bakelite, nickel, steel, assorted metals. | 94143 |
| View Record | Marconi Radio Valve Type DER | c. 1925 | Marconi-Osram Valves. | London | Glass, bakelite, steel, assorted metals. | 15591 |
| View Record | Myers Dry Battery Radio Tube With Carton | c. 1924 | E. B. Myers Co. Ltd. | Canada | Glass, bakelite, steel, assorted metals. | 20141 |
| View Record | Myers Dry Battery Radio Tube With Carton | c. 1924 | E. B. Myers Co. Ltd. | Canada | Glass, bakelite, steel, assorted metals. | 55098 |
| View Record | Marconi Radio Valve Type DE3C | c. 1924 | Marconi-Osram Valves. | London | Glass, bakelite, steel, tungsten, assorted metals. | 20731 |
| View Record | Marconi Radio Valve Type DE3C | c. 1924 | Marconi-Osram Valves. | London | Glass, bakelite, steel, tungsten, assorted metals. | 62393 |
| View Record | Communications Receiver Model 910/1 With Speaker | Mid 20th Century | Marconi International Marine Communication Co. Ltd. | England | Glass, bakelite, steel?, assorted metals. | 98230 |
| View Record | Osram Radio Valve Type P2 | 20th Century | Osram. | England | Glass, bakelite?, steel, assorted metals. | 57431 |
| View Record | Radio-Special Micro Radio Valve Type E6 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 42700 |
| View Record | Radio Valve Type P2 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 48561 |
| View Record | Siemens & Halske Experimental Radio Valve | c. 1917 | Siemens & Halske. | Germany | Glass, bakelite?, steel, assorted metals. | 50748 |
| View Record | Image Orthicon Tube | Mid 20th Century | English Electric Valve Co. Ltd. | England | Glass, bakelite?, steel, nickel, assorted metals. | 39508 |
| View Record | Lamps For Large Switchboard Type 95 | 1920s | Unknown | England | Glass, brass, assorted metals. | 40261 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 92814 |
| View Record | Fama Radio Valve Type R | c. 1916 | Fama. | Holland | Glass, brass, bakelite?, assorted metals. | 73073 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 92559 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 31425 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 36535 |
| View Record | Bank Of Six Leyden Jar Condensers | 1900 | Unknown | Unknown | Glass, brass, mahogany, felt. | 17579 |
| View Record | Bank Of Six Leyden Jar Condensers | 1900 | Unknown | Unknown | Glass, brass, mahogany, teak?, felt. | 24931 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, plastic?, assorted metals. | 93609 |
| View Record | GPO Radio Valve Type No 2 | 20th Century | Unknown | Britain | Glass, brass, plastic?, nickel. | 26614 |
| View Record | Assorted Spare Parts For Radio Receiver Type BC342N | 1940s | Chicago Transformer Corporation. | USA | Glass, brass, steel, bakelite, assorted metals. | 72568 |
| View Record | 12 Volt Fleming Valve | c. 1905 | Royal Ediswan. | London | Glass, brass?, assorted metals. | 77499 |
| View Record | Early Experimental Coherer | c. 1902 | Unknown | Unknown | Glass, copper, cork, iron, assorted metals. | 19433 |
| View Record | Early Coherer | c. 1899 | Unknown | Chelmsford, England | Glass, copper, nickel, silver, assorted metals. | 34674 |
| View Record | Early Coherer | c. 1899 | Unknown | Unknown | Glass, copper, nickel, silver, assorted metals. | 17473 |
| View Record | Early Coherer | c. 1899 | Unknown | France | Glass, copper, nickel, silver, assorted metals. | 57633 |
| View Record | Early Coherer | c. 1899 | Unknown | England | Glass, copper, nickel, silver, assorted metals. | 72143 |