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Displaying 51 to 70 of 655 records
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Heading | Date | Maker | Place | Materials | Inv Num | |
---|---|---|---|---|---|---|
View Record | Metal Component Pair FT-162 For Radio | 20th Century | Unknown | Unknown | Iron?, steel, nickel. | 18465 |
View Record | Mullard Radio Valve Type ORA/B | c. 1922 | Mullard Radio Valve Co. | Unknown | Glass, rubber?, assorted metals. | 18833 |
View Record | Marconiphone Two-Valve Receiver Type 21 | 1925 | Marconiphone Co. Ltd. | London | Bakelite?, ebonite, glass, brass, mahogany, plastic? | 18847 |
View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, brass, ebonite, bakelite, leather. | 19011 |
View Record | Mullard Wecovalve Radio Valve Peanut Type | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals | 19239 |
View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 19420 |
View Record | Early Experimental Coherer | c. 1902 | Unknown | Unknown | Glass, copper, cork, iron, assorted metals. | 19433 |
View Record | Ferranti Radio Valve Type NSP1 | Mid 20th Century | Ferranti. | Britain | Glass, steel, bakelite, assorted metals. | 19461 |
View Record | Triotron Radio Tube Type 6F8G With Carton | 20th Century | Triotron Radio. | Austria | Plastic?, glass, steel, assorted metals. | 19616 |
View Record | Portable Aircraft Spark Transmitter 40W | c. 1912 | Marconi's Wireless Telegraphy Co. Ltd. | London | Teak, leather, ebonite, steel, bakelite?, brass. | 19772 |
View Record | Marconi Radio Valve Type 42A | 20th Century | Officine Marconi-Genova. | Italy | Glass, steel, plastic?, assorted metals. | 19824 |
View Record | Radio Call Sign | Early 20th Century | Unknown | Unknown | Mahogany, paint. | 20091 |
View Record | Marconi Radio Valve Type MH4 | c. 1931 | Marconi's Wireless Telegraph Co. Ltd. | England | Cooper, steel, plastic?, assorted metals. | 20104 |
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 | Company Seal Embosser Vulcan Foundry Ltd | 20th Century | Unknown | Britain | Bronze?, iron?, steel. | 20262 |
View Record | Emergency Quenched-Gap Transmitter Type 335 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, iron, copper, ebonite, nickel, glass, steel, assorted metals. | 20374 |
View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi-Osram Valves. | England | Glass, steel, assorted metals. | 20655 |
View Record | Company Seal Embosser Fan Manufacturing Company | 20th Century | Witherby & Co. Ltd. | London | Steel, baize. | 20679 |
View Record | Tuning Condenser No 4 | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, brass, paper. | 20696 |
View Record | Marconi Radio Valve Type DE3C | c. 1924 | Marconi-Osram Valves. | London | Glass, bakelite, steel, tungsten, assorted metals. | 20731 |