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Displaying 481 to 500 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| 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 |