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Displaying 321 to 340 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 56300 |
| View Record | Forward Spark 'B' Wavemeter No. 2006 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 56341 |
| View Record | Proof Print of Marconi | c. 1914 | G. B. Black | London | Paper, plastic, cork. | 56351 |
| View Record | Gray Magnetic Relay Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, iron?, ebonite? wood, metal alloy, silver. | 56506 |
| View Record | 'Marconi' Wavemeter | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Boxwood, steel, bakelite?, leather, ebonite. | 56547 |
| View Record | RCA Radiotron Radio Tube Type 6J7 With Carton | Dated 1943 | RCA. | Philadelphia, USA | Plastic?, steel, assorted metals. | 56677 |
| View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 | 20th Century | RCA. | USA | Glass, ribbon, steel, plastic?, assorted metals. | 56681 |
| View Record | Marconi Commemorative Plaque | Dated 1911 | D. Sodini. | Italy | Brass, steel. | 56721 |
| View Record | Sykes Microphone | 1923 | Sykes. | England | Paper, nickel?, steel, cast iron. | 56738 |
| View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, plastic, assorted metals. | 57185 |
| View Record | RCA Radiotron Radio Tube Type 6D6 With Carton | 20th Century | RCA. | New Jersey, USA | Plastic?, steel, glass, assorted metals. | 57337 |
| View Record | Osram Radio Valve Type P2 | 20th Century | Osram. | England | Glass, bakelite?, steel, assorted metals. | 57431 |
| View Record | Early Coherer | c. 1899 | Unknown | France | Glass, copper, nickel, silver, assorted metals. | 57633 |
| View Record | Large Iolanda Transformer With Case | Early 20th Century | Unknown | Unknown | Mahogany, metal alloy, brass, copper, wood. | 57720 |
| View Record | Potentiometer For Marconi Five-Valve Receiver | 1922 | Marconi Scientific Instrument Co. Ltd. | London | Bakelite?, copper, brass?, steel. | 57736 |
| View Record | Marconiphone Universal Baby Crystal Receiver | c. 1924 | Marconiphone Co. Ltd. | England | Plastic, galena, nickel, steel, bakelite. | 58056 |
| View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | None | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 58568 |
| View Record | Marconiphone Two-Valve Receiver Type V2A | c. 1924 | Marconiphone Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. | 58602 |
| View Record | Large Main Condenser With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Wood, jute, brass, iron. | 58903 |
| View Record | RCA Radiotron Radio Tube Type 6B7 With Carton | 20th Century | RCA. | USA | Glass, plastic?, steel, assorted metals. | 58967 |