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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 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 |