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Displaying 361 to 380 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 62344 |
| View Record | Marconi Radio Valve Type DE3C | c. 1924 | Marconi-Osram Valves. | London | Glass, bakelite, steel, tungsten, assorted metals. | 62393 |
| View Record | Company Seal Embosser Elliot Flight Automation Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 62415 |
| View Record | 'Marconi' Ammeter | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel?, brass, copper?, nickel. | 62660 |
| View Record | Lead-Acid Accumulator | Early 20th Century | Unknown | Unknown | Teak, leather?, brass. | 62812 |
| View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 62884 |
| View Record | Early Coherer | c. 1902 | Unknown | Unknown | Glass, elastic, copper?, steel, assorted metals. | 62930 |
| View Record | Marconi Crystal Receiver Type 16 | 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, teak, bakelite, brass, steel?, copper. | 63794 |
| View Record | Brimar Radio Valve Type 6V6GT | 1940s | Brimar. | England | Glass, plastic?, steel, assorted metals. | 64011 |
| View Record | 120 Ohm Resistance Coil | Early 20th Century | Unknown | Unknown | Teak, steel, wax, assorted metals. | 64043 |
| View Record | Bell Telephone Microphone | c. 1923 | Unknown | England | Ebonite, cast brass, steel?, nickel. | 64147 |
| View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 64286 |
| View Record | Company Seal Embosser Firth Cleveland Instruments Ltd | 20th Century | Unknown | Britain | Steel, nickel, wood. | 64400 |
| View Record | Tuned Circuit Transmitter | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, plastic, celluloid, brass, glass, steel. | 64464 |
| View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, steel, plastic?, assorted metals. | 64468 |
| View Record | Porcelain Insulators | 20th Century | Unknown | Unknown | Porcelain, brass, steel?, ebonite. | 64661 |
| View Record | Marconi-Osram Radio Valve Type DET 1A | 20th Century | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel-plated, brass, plastic?, assorted metals. | 64933 |
| View Record | Rogers Radio Tube Type VR56 | Mid 20th Century | Rogers Canada. | Canada | Glass, steel, plastic?, assorted metals. | 64947 |
| View Record | Trembler Coil | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, bakelite, steel, nickel. | 64976 |
| View Record | Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Steel, brass, cast-iron, | 64999 |