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Displaying 251 to 300 of 655 records
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Heading | Date | Maker | Place | Materials | Inv Num | |
---|---|---|---|---|---|---|
View Record | 'Marconi' 1˝KW Quenched Spark Gap Transmitter Type QG | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, steel, iron, nickel, porcelain, copper, assorted metals. | 46329 |
View Record | Marconi Radio Valve Type MT1 | Early 20th Century | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, assorted metals. | 46376 |
View Record | Marconi Radio Valve Type DEHL210 | 20th Century | Marconi-Osram Valves. | England | Glass, steel, bakelite?, assorted metals. | 46377 |
View Record | Tilting Board | c. 1899 | Guglielmo Marconi. | England | Iron?, wood. | 46382 |
View Record | Short Wave Receiver Type CM294C | Dated 1917 | Marconi's Wireless Telegraph Co. of America. | USA | Ebonite, mahogany?, brass, nickel, bakelite, copper, aluminium?, steel. | 46600 |
View Record | Assorted Radio Valves | 20th Century | Unknown | Unknown | Glass, steel, brass, assorted metals. | 46605 |
View Record | Short Distance Wireless Telephone Set Type TT2 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, bakelite, glass, brass, assorted metals. | 46879 |
View Record | Marconi Kryha Cipher Machine | c. 1922 | Marconiphone Co. Ltd. | England | Steel?, assorted metals, glass, nickel. | 46995 |
View Record | Marconi Aerial Tuning Inductance Coil | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Copper, nickel, teak?, brass. | 47154 |
View Record | National Union Radio Tube Type 50L6GT With Carton | c. 1941 | National Union. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 47236 |
View Record | Mobile Television Camera Type BD624C With Electronic Viewfinder Type BD625F | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite, assorted metals. | 47261 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 47321 |
View Record | Morse Key Type 100A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | Britain | Nickel, mahogany, ebonite, steel. | 47410 |
View Record | Lord Kelvin's Multicellular Voltmeter | 1920s | Kelvin Bottomley & Baird Ltd. | Britain | Teak, glass, steel, bakelite, ebonite, brass, iron. | 47607 |
View Record | Ebonite Partition Insulator | Early 20th Century | Unknown | Unknown | Brass, ebonite. | 47690 |
View Record | 'Marconi' Amplifier Type GA2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, leather, steel, assorted metals. | 47978 |
View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 48010 |
View Record | Walnut Side Table | c. 1930 | Unknown | Unknown | Walnut, brass. | 48312 |
View Record | Tuning Condenser With Capacitor Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, wood, ebonite, bakelite, celluloid, nickel, plywood. | 48535 |
View Record | Radio Valve Type P2 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 48561 |
View Record | Large Tuning Condenser | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, glass, ebonite, teak, assorted metals. | 48642 |
View Record | Marconi Radio Valve Type MT1 | c. 1919 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, assorted metals. | 48681 |
View Record | Radio Valve Type 5Z4G | Mid 20th Century | Unknown | Britain | Glass, steel, plastic?, assorted metals. | 48685 |
View Record | Radio Valve Type 6V6G | Mid 20th Century | Mullard. | England | Glass, plastic?, steel, assorted metals. | 48716 |
View Record | Marconi-Osram Radio Valve Type DER | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, steel, plastic?, brass?, assorted metals. | 48922 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 49234 |
View Record | Send/Receive Switch Type 103A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | London | Teak, brass, steel, nickel. | 49244 |
View Record | 'Marconi' Wavemeter Type MP7 | Early 20th Century | Marconi 's Wireless Telegraph Co. Ltd. | London | Carborundum, paper, wood, plastic, ebonite, steel | 49422 |
View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 49429 |
View Record | Marconi Radio Valve Type S625 | c. 1928 | Marconi-Osram Valve Co. Ltd. | England | Glass, plastic?, steel, assorted metals. | 49486 |
View Record | Large Wave-Shortening Condenser With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahongany, jute?, ebonite, steel, brass. | 49571 |
View Record | Large Marine Charging Switchboard | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Ebonite?, metal alloy, glass, brass, assorted metals. | 49739 |
View Record | Marconi Radio Valve Type V24 | c. 1919 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 49744 |
View Record | Marconi Wavemeter Type MC1 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, bakelite, glass, metal?, plastic. | 49948 |
View Record | Marconi-Type Radio Valve | 1920s/1930s | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 50000 |
View Record | Marconiphone Type V2A | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. | 50144 |
View Record | Portrait of Marconi | 20th Century | S. Tushingham | London | Watercolour, paper, glass, wood, brass. | 50421 |
View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 50523 |
View Record | Pillbox With Spare Coherer Parts | c. 1902 | Unknown | Unknown | Assorted metals, crystal, cardboard, cotton wool. | 50538 |
View Record | Instruction Booklet For Aircraft Wireless Telephone Transmitter Type AD1 | c. 1921 | Sanders, Phillips & Co. Ltd. | London | Paper. | 50711 |
View Record | Siemens & Halske Experimental Radio Valve | c. 1917 | Siemens & Halske. | Germany | Glass, bakelite?, steel, assorted metals. | 50748 |
View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Steel, mahogany. | 51047 |
View Record | Small Buzzer Key With Base | Early 20th Century | Unknown | Unknown | Mahogany, brass, copper, plastic. | 51297 |
View Record | Assorted Early Coherer-Related Letters | Early 20th Century | Unknown | Unknown | Paper | 51910 |
View Record | 'Marconi' Wavemeter Type No 2 | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, steel, ebonite, leather, assorted metals. | 52068 |
View Record | Large Main Morse Key | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany, brass, metal alloy, ebonite. | 53026 |
View Record | Triangular Base | Early 20th Century | Unknown | Unknown | Brass, iron, baize. | 53033 |
View Record | Two-Way Morse Key | 1900s | Siemens Bros. & Co. | London | Brass, ebonite, steel | 53048 |
View Record | Early Coherer | c. 1902 | Unknown | Unknown | Glass, copper?, assorted metals. | 53061 |
View Record | Interrupter Type 144 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Cast iron, nickel, teak. | 53329 |