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Displaying 171 to 190 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Exhibition Medal Franco-British Exhibition | Dated 1908 | F. Bowcher. | Birmingham | Gilt silver. | 93608 |
| View Record | Experimental Billi Condenser | c. 1900 | Unknown | Unknown | Copper?, steel?, ebonite, brass, mahogany, plywood, bakelite, celluloid. | 24292 |
| View Record | Experimental Fleming Valve | c. 1889 | Prof. J.A. Fleming. | London | Glass, nickel, steel, ebonite, wood. | 85593 |
| View Record | Experimental Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, brass?, platinum. | 24865 |
| 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 | Facsimile Of Daily Sketch | Dated 1912 | E. Hulton & Co., Limited. | England | Paper. | 96891 |
| View Record | Facsimile Of Fleming Letter | c. 1904 | J.A. Fleming. | London | Paper. | 18292 |
| View Record | Fama Radio Valve Type R | c. 1916 | Fama. | Holland | Glass, brass, bakelite?, assorted metals. | 73073 |
| View Record | Ferranti Radio Valve Type NSP1 | Mid 20th Century | Ferranti. | Britain | Glass, steel, bakelite, assorted metals. | 19461 |
| View Record | Fleming Valve | c. 1905 | Ediswan. | London | Copper, glass, brass, assorted metals. | 67162 |
| View Record | Fleming Valve | c. 1905 | Ediswan. | London | Copper, glass, brass, assorted metals. | 41677 |
| View Record | Fleming Valve | c. 1905 | Ediswan. | London | Glass, assorted metals, brass. | 21803 |
| View Record | Fleming Valve | c. 1889 | Prof. J.A. Fleming. | England | Glass, nickel, steel, ebonite, wood. | 80572 |
| View Record | Forward 'B' Spark Wavemeter No. 1339 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 22136 |
| View Record | Forward Spark 'B' Wavemeter No. 1511 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 12772 |
| View Record | Forward Spark 'B' Wavemeter No. 2006 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 56341 |
| View Record | Four-Second Alarm Type KM1 | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, metal, nickel, glass. | 13115 |
| View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 73080 |
| View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 49429 |