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Displaying 521 to 620 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Rotary Spark Discharger | Early 20th Century | Marconi's Wirelss Telegraph Co. Ltd. | London | Steel, brass, cast iron. | 71249 |
| View Record | Discharger | Early 20th Century | Unknown | Unknown | Steel, brass, cast iron. | 42997 |
| View Record | Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Steel, brass, cast-iron, | 64999 |
| View Record | Small Coupled Two-Way Switch | Early 20th Century | Unknown | Unknown | Steel, brass, iron?, bakelite?, mahogany?, ebonite. | 61022 |
| View Record | Case For Coherer Receiver | c. 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, brass. | 91438 |
| View Record | Company Seal Embosser W.W. Buckley & Son Ltd | 20th Century | H. Howes & Co. Ltd. | London | Steel, cooper, wood. | 73461 |
| View Record | Company Seal Embosser Switchgear & Cowans Ltd | 20th Century | Art? Right & Rattray Ltd. | Manchester | Steel, copper?, iron, mahogany. | 75359 |
| View Record | Franklin Master Oscillator | c. 1930 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, ebonite, bakelite, mahogany?, copper. | 43735 |
| View Record | 'Marconi' Auto-Alarm Morse Key Type 316A | c. 1920 | Marconi Company. | England | Steel, ebonite?, bakelite?, metal. | 82360 |
| View Record | Morse Key Type 365 | 20th Century | Marconi International Marine Communication Co. Ltd. | London | Steel, enamel, brass, nickel, ebonite. | 83986 |
| View Record | Telefunken Radio Valve Type LD15 | c. 1945 | Telefunken. | Germany | Steel, glass, assorted metals. | 14100 |
| View Record | Siemens Radio Valve Type LD2 | c. 1945 | Siemens. | Germany | Steel, glass, assorted metals. | 96292 |
| View Record | High-Discrimination Communication Receiver Type Rg 44 | c. 1948 | Marconi's Wireless Telegraph Co. Ltd. | Chelmsford, England | Steel, glass, bakelite, perspex, assorted metals. | 28532 |
| View Record | Company Seal Embosser Oriental Tube Company | 20th Century | Unknown | Britain | Steel, iron. | 55328 |
| View Record | Civilian Gentleman's Ceremonial Sword | c. 1902 | J. B. Johnstone. | London | Steel, leather. | 55702 |
| View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Steel, mahogany. | 51047 |
| View Record | Combined Switchboard Type 277 And Fuseboard Type 279 | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Steel, metal, glass, nickel, bakelite | 17193 |
| View Record | Three Port Circulator | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, metal. | 79157 |
| View Record | Company Seal Embosser Robtron Controls Ltd | 20th Century | Jordan & Sons Ltd. | London | Steel, nickel, baize. | 67172 |
| View Record | Company Seal Embosser Eastnor Electric Company Ltd | 20th Century | Unknown | Britain | Steel, nickel, cooper, baize | 46281 |
| View Record | Transmitter Tuner Type MC13 | c. 1930 | Unknown | Unknown | Steel, nickel, plastic, assorted metals. | 18269 |
| View Record | Company Seal Embosser Firth Cleveland Instruments Ltd | 20th Century | Unknown | Britain | Steel, nickel, wood. | 64400 |
| View Record | Signal Receiver Type 57A | Dated 1959 | Marconi Instruments Ltd. | England | Steel, plastic, bakelite, glass, assorted metals. | 40275 |
| View Record | Transmitter Type AD87B | c. 1940 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic, glass, bakelite, iron. | 79145 |
| View Record | Marconi Receiver CR100 | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic, nickel, bakelite, perspex, assorted metals. | 81277 |
| View Record | Hytron Radio Tube Type CV1759 With Carton | Dated 1944 | Hytron Corporation. | Massachusetts, USA | Steel, plastic?, glass, assorted metals. | 25098 |
| View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, plastic?, nickel, iron, copper. | 89483 |
| View Record | 'Marconi' Self-Monitoring Receiver Type AD98 | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic?, perspex, assorted metals. | 22068 |
| View Record | Marconi's Coherer Receiver | 1896 | Guglielmo Marconi. | England | Steel, teak, brass, glass, mahogany?, ivory, assorted metals. | 86390 |
| View Record | Company Seal Embosser EA Automation Sevices Ltd | 20th Century | Unknown | Unknown | Steel, wood, baize. | 98826 |
| View Record | Company Seal Embosser Elliot Flight Automation Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 62415 |
| View Record | Company Seal Embosser Clare-Elliot Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 33725 |
| View Record | Company Seal Embosser Elliot Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 76469 |
| View Record | Company Seal Embosser GEC-Elliot Computer Software Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 75823 |
| View Record | Company Seal Embosser GEC Medical Equipment Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 39997 |
| View Record | Company Seal Embosser Walsall Conduits Group Ltd | 20th Century | Jordan & Sons Ltd. | London | Steel, wood, brass?, cooper | 75653 |
| View Record | Company Seal Embosser Coastal Radio Ltd | 20th Century | Unknown | Unknown | Steel, wood, cooper, baize | 25157 |
| View Record | Company Seal Embosser J.W. Flower & Company Ltd | 20th Century | Unknown | Britain | Steel, wood, iron?, baize. | 69851 |
| View Record | Large Company Seal Embosser Chamberlain & Hookham Ltd | 20th Century | Unknown | Britain | Steel, wood. | 71971 |
| View Record | Marconi Kryha Cipher Machine | c. 1922 | Marconiphone Co. Ltd. | England | Steel?, assorted metals, glass, nickel. | 46995 |
| View Record | Empty Case Of Forward Spark 'B' Wavemeter No. 1360 | c. 1918 | War Department Signals Flying Corps. | Britain | Teak | 88505 |
| View Record | Empty Case Of Forward Spark 'B' Wavemeter | c. 1918 | War Department Signals Flying Corps. | Britain | Teak | 37889 |
| View Record | Decade Condenser Type 21F | Early 20th Century | Muirhead & Co. Ltd. | Britain | Teak, bakelite, plastic?, steel. | 17600 |
| View Record | Trembler Coil | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, bakelite, steel, nickel. | 64976 |
| View Record | Morse Key | Early 20th Century | Elliot Brothers (London) Ltd. | London | Teak, bakelite?, brass. | 70589 |
| View Record | Rare Portable Lifeboat Transmitter Receiver | c. 1905 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, bakelite, ebonite, metal. | 12924 |
| View Record | Marconi Bellini-Tosi Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, bakelite, ebonite, steel?, copper. | 20815 |
| 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 | Small Ohmmeter | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Teak, brass, copper, ebonite, bakelite. | 93933 |
| View Record | Tapped Inductance | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, copper, ebonite. | 43561 |
| View Record | Ohmmeter | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Teak, brass, copper, nickel, ebonite, bakelite. | 56269 |
| View Record | Ohmmeter | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Teak, brass, copper, nickel, ebonite, bakelite. | 96442 |
| View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, brass, ebonite, bakelite, leather. | 19011 |
| View Record | 'Marconi' Direction Finder Type DFM2 | c. 1927 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, ebonite, glass, bakelite, celluloid, steel. | 65922 |
| View Record | 'Marconi' Direction Finder Type DFM2 | c. 1927 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, ebonite, glass, bakelite, celluloid, steel. | 29821 |
| View Record | Large Fixed-Gap Discharger With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Teak, brass, lead?, metal alloy, sand?, ebonite?, steel. | 65806 |
| View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, leather, ebonite, bakelite. | 28627 |
| View Record | Telephone Jigger Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, plastic?, cooper. | 89862 |
| View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, steel, ebonite, nickel. | 18119 |
| View Record | Send/Receive Switch Type 103A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | London | Teak, brass, steel, nickel. | 49244 |
| View Record | Magnetic Key Relay | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Teak, brass, steel, unknown material, wood. | 99331 |
| View Record | Marconi Note Magifier Type 227B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 76594 |
| View Record | Marconi Long Wave Panel Type 229B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 41345 |
| View Record | Marconi Receiver Type 226B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, plastic?, ebonite. | 40124 |
| View Record | Variometer And Sliding Capacitor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, copper, ebonite, nickel, steel. | 44318 |
| View Record | Manganin Coils Dial Bridge | Early 20th Century | W.G. Pye & Co. | Cambridge, England | Teak, ebonite, bakelite, brass, copper, celluloid, assorted metals. | 31104 |
| 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 | Seven-Valve Receiver | 1920 | Marconi Scientific Instrument Co. Ltd. | London | Teak, ebonite, bakelite?, steel. | 41936 |
| View Record | Crystal Valve Receiver | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, brass, bakelite, copper, metal. | 69868 |
| View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass, bakelite. | 34701 |
| View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass, bakelite. | 96057 |
| View Record | Tuning Condenser | c. 1915 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 98095 |
| View Record | Tuning Condenser | c. 1915 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 18093 |
| View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 75237 |
| View Record | 'Marconi' Direction Finder Type 11F | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, glass, nickel, plastic?, assorted metals. | 75339 |
| View Record | 'Marconi' Direction Finder Type 11F | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, glass, nickel, plastic?, assorted metals. | 54065 |
| View Record | Marconi Five-Valve Receiver | 1922 | Marconi Scientific Instrument Co. Ltd. | London | Teak, ebonite?, bakelite?, copper. | 71494 |
| View Record | Precision Instrument | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, glass, bakelite, brass, iron, assorted metals. | 97073 |
| View Record | 'Marconi' Auto-Alarm Receiver Type 332 | c.1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, nickel, celluloid?, bakelite?, ebonite. | 41271 |
| View Record | Lord Kelvin's Multicellular Voltmeter | 1920s | Kelvin Bottomley & Baird Ltd. | Britain | Teak, glass, steel, bakelite, ebonite, brass, iron. | 47607 |
| 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 | 'Marconi' Lifeboat Transmitter Type 241A | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, steel, plastic?, bakelite, assorted metals. | 59677 |
| View Record | 'Megger' Resistance Meter | Early 20th Century | Evershead & Vignoles Ltd. | London | Teak, glass, steel?, brass, bakelite, assorted metals. | 45250 |
| 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 | Gray Magnetic Relay Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, iron?, ebonite? wood, metal alloy, silver. | 56506 |
| 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' Amplifier Type GA2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, leather, steel, assorted metals. | 47978 |
| View Record | Lead-Acid Accumulator | Early 20th Century | Unknown | Unknown | Teak, leather?, brass. | 62812 |
| View Record | Aircraft Wireless Receiver | c. 1921 | Marconi's Wireless Telegraph Co. Lt.d | London | Teak, nickel, ebonite, bakelite, brass, celluloid, assorted metals. | 80281 |
| View Record | Marconi Five-Valve Receiver | 1922 | Marconi Scientific Instrument Co. Ltd. | London | Teak, nickel, ebonite?, copper, bakelite?, glass. | 62304 |
| View Record | Trembler Coil | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, nickel, ebonite?, steel. | 61771 |
| View Record | Amplifier Type 91 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, nickel, glass, steel? bakelite. | 39440 |
| View Record | Replica Morse Key | Late 20th Century | Unknown | Unknown | Teak, plastic?, brass. | 94821 |
| View Record | Replica Morse Key | Late 20th Century | Unknown | Unknown | Teak, plastic?, brass. | 44566 |
| View Record | Remote-Control Switch | Early 20th Century | Unknown | Unknown | Teak, steel, cord, brass, copper. | 97148 |
| View Record | 120 Ohm Resistance Coil | Early 20th Century | Unknown | Unknown | Teak, steel, wax, assorted metals. | 64043 |
| 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 | Empty Case Of Forward Spark 'B' Wavemeter No. 2001 | c. 1918 | War Department Signals Flying Corps. | Britain | Teak. | 71985 |
| View Record | Switch And Lamp Type 94 | Early 20th Century | Unknown | Unknown | Teak?, brass, glass, porcelain?, metal. | 54481 |
| View Record | Osram-GEC Radio Valve Type R4 | c. 1916 | Osram G.E.C. | England | Teak?, glass, brass, tungsten, assorted metals. | 59017 |