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Displaying 171 to 190 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Multiple Oscillator | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Celluloid, ebonite, steel?, brass. | 59526 |
| View Record | Multiple Oscillator | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, steel?, brass. | 84014 |
| 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 DEV | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 83921 |
| View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 29519 |
| View Record | 'Marconi Otophone' | 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Leather, celluloid, mahogany, plastic?, bakelite, glass, nickel. | 59451 |
| 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 | Coil Condensor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Brass?, wood. | 97470 |
| 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 | 'Long Tom' Aerial Tuning Inductance Coil | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | Unknown | Copper?, wood, softwood, brass. | 70198 |
| View Record | Telephone Jigger Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, plastic?, cooper. | 89862 |
| 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 | 'Marconi' Auto-Alarm Buzzer Type 225 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Metal, ebonite?, aluminium, steel. | 34759 |
| 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 |