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Displaying 241 to 290 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Bellini-Tosi Radiogoniometer | c. 1907 | Bellini & Tosi. | France | Oak, brass, ebonite, metal. | 37692 |
| 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 | Siemens & Halske Radio Valve Type RE87 | 20th Century | Siemens & Halske. | Germany | Glass, steel, brass, bakelite?, assorted metals. | 77413 |
| View Record | Siemens & Halske Experimental Radio Valve | c. 1917 | Siemens & Halske. | Germany | Glass, bakelite?, steel, assorted metals. | 50748 |
| View Record | Siemens & Halske Radio Valve Type RE87 | 20th Century | Siemens & Halske. | Germany | Glass, steel, brass, bakelite?, assorted metals. | 69068 |
| View Record | Philips Radio Valve Type QQE02 With Separate Carton | Late 20th Century | Philips. | Holland | Glass, steel, assorted metals. | 34480 |
| View Record | Fama Radio Valve Type R | c. 1916 | Fama. | Holland | Glass, brass, bakelite?, assorted metals. | 73073 |
| View Record | Philips Radio Valve Type R | 1920s | Philips. | Holland | Glass, steel, bakelite?, brass?, tungsten, assorted metals. | 84869 |
| View Record | Marconi Commemorative Plaque | Dated 1911 | D. Sodini. | Italy | Brass, steel. | 56721 |
| View Record | Marconi Commemorative Plaque | Dated 1912 | Unknown | Italy | Brass | 23050 |
| View Record | Exhibition Medal Exposition of Electricity And Serious Industry | Dated 1899 | Unknown | Italy | Aluminium | 72905 |
| View Record | Exhibition Medal Exposition of Decorative and Modern Art | Dated 1902 | Unknown | Italy | Gilt metal | 34377 |
| View Record | Exhibition Medal Esposizione Internazionale | Dated 1956 | Giannino. | Italy | Gilt metal. | 53696 |
| View Record | Medal International Marconi Conference | Dated 1951 | Coffredo Edginelli? | Italy | Aluminium | 34099 |
| View Record | Marconi Radio Valve Type 42A | 20th Century | Officine Marconi-Genova. | Italy | Glass, steel, plastic?, assorted metals. | 19824 |
| View Record | 1901 Transatlantic Self-Restoring Coherer | c. 1901 | Lieutenant Luigi Solari. | Italy | Glass, ebonite, brass, mercury, iron/carbon. | 96386 |
| View Record | Tuning Condenser | c. 1907 | Unknown | Italy | Brass, steel?, ebonite. | 41634 |
| View Record | Early Small Coherer | c. 1895 | Guglielmo Marconi. | Italy | Glass, elastic, copper?, assorted metals. | 98899 |
| View Record | Silver Table Lighter With Case | Dated 1912 | Alfred Foster. | London | Silver, bakelite?, marble, velvet, silk, leather. | 35386 |
| View Record | Civilian Gentleman's Ceremonial Sword | c. 1902 | J. B. Johnstone. | London | Steel, leather. | 55702 |
| View Record | Townsend Wavemeter | c.1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite?, teak, plastic, cardboard. | 78507 |
| View Record | Townsend Wavemeter | Dated 1918 | Marconi's Wireless Telegraph Co. Ltd | London | Bakelite?, teak, paper/cardboard?, plastic, ebonite. | 92109 |
| View Record | 'Marconi' Wavemeter | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Boxwood, steel, bakelite?, leather, ebonite. | 56547 |
| View Record | Multiple Oscillator | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Celluloid, ebonite, steel?, brass. | 59526 |
| View Record | Induction Coil For Tuned Field Transmitter | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, mahogany, ebonite. | 30667 |
| View Record | Amplifier Type 91 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, nickel, glass, steel? bakelite. | 39440 |
| View Record | Righi Oscillator | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Plastic, celluloid, mahogany, brass, ebonite, bakelite | 91607 |
| View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, leather, ebonite, bakelite. | 28627 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 35970 |
| View Record | 'Marconi Otophone' | 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Leather, celluloid, mahogany, plastic?, bakelite, glass, nickel. | 59451 |
| View Record | Send/Receive Switch Type 103A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | London | Teak, brass, steel, nickel. | 49244 |
| View Record | Triple X-Stopper | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, brass, mahogany, metal alloy. | 87224 |
| 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 | 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 Type MP7 | Early 20th Century | Marconi 's Wireless Telegraph Co. Ltd. | London | Carborundum, paper, wood, plastic, ebonite, steel | 49422 |
| View Record | Telephone Jigger Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, plastic?, cooper. | 89862 |
| View Record | Cylindrical Reflecting Vertical Galvanometer | c. 1925 | H. Tinsley & Co. | London | Brass, glass, copper, bakelite. | 55299 |
| View Record | 'Marconi' Auto-Alarm Selector Type 333 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Metal, brass, steel?, aluminium, glass. | 22770 |
| 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 Crystal Receiver Type 31 | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Bakelite?, ebonite, teak, brass, steel?, metal. | 98216 |
| View Record | Case For Coherer Receiver | c. 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, brass. | 91438 |
| View Record | Interrupter Type 144 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Cast iron, nickel, teak. | 53329 |
| View Record | 'Marconi' Amplifier Type GA2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, leather, steel, assorted metals. | 47978 |
| View Record | Coherer Receiver | 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, steel. | 67916 |
| View Record | Marconi-Reisz Microphone | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Carbon?, ebonite, mica, marble. | 98482 |
| View Record | Seven-Valve Receiver | 1920 | Marconi Scientific Instrument Co. Ltd. | London | Teak, ebonite, bakelite?, steel. | 41936 |
| View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, steel, ebonite, nickel. | 18119 |
| View Record | Marconiphone Two-Valve Receiver Type 21 | 1925 | Marconiphone Co. Ltd. | London | Bakelite?, ebonite, glass, brass, mahogany, plastic? | 18847 |
| View Record | Amplifier And Detector Type 55A With Headphones | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Glass, teak, steel, brass. | 18067 |