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Displaying 71 to 90 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Fleming Valve | c. 1905 | Ediswan. | London | Copper, glass, brass, assorted metals. | 67162 |
| View Record | 4 Volt Fleming Oscillation Valve | c. 1905 | Royal Ediswan. | London | Brass, glass, assorted metals. | 21763 |
| View Record | Case For Coherer Receiver | 1905 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel | 98971 |
| View Record | Coherer Receiver | Dated 1905 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, glass, ivory, ebonite, assorted metals. | 99245 |
| View Record | 12 Volt Fleming Valve | c. 1905 | Royal Ediswan. | London | Glass, brass?, assorted metals. | 77499 |
| View Record | Fleming Valve | c. 1905 | Ediswan. | London | Glass, assorted metals, brass. | 21803 |
| View Record | Induction Coil | 1900s | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, ivory?, copper. | 17841 |
| View Record | Two-Way Morse Key | 1900s | Siemens Bros. & Co. | London | Brass, ebonite, steel | 53048 |
| View Record | Telegraph Relay | Early 20th Century | H.W. Sullivan. | London | Mahogany, baize, glass, brass, iron?, assorted metals. | 34506 |
| View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, bakelite. | 71452 |
| View Record | Morse Key | Early 20th Century | Elliot Brothers (London) Ltd. | London | Teak, bakelite?, brass. | 70589 |
| View Record | Variometer And Sliding Capacitor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, copper, ebonite, nickel, steel. | 44318 |
| View Record | Remote-Control Switch | Early 20th Century | Unknown | Unknown | Teak, steel, cord, brass, copper. | 97148 |
| View Record | Carborundum Detector | Early 20th Century | Unknown | Unknown | Ebonite, nickel. | 90595 |
| View Record | Irwin Oscillograph | Early 20th Century | Robert W. Paul. | London | Iron?, brass, copper. | 30624 |
| View Record | Discharger | Early 20th Century | Unknown | Unknown | Steel, brass, cast iron. | 42997 |
| View Record | Induction Coil | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, wax, brass, ivory?, ebonite, celluloid. | 12640 |
| View Record | 12 Volt Fleming Valve | c. 1905 | Ediswan. | London | Wood, baize, brass?, nickel, glass, ebonite. | 89981 |
| View Record | Large Tuning Condenser | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, glass, ebonite, teak, assorted metals. | 48642 |
| View Record | Lead-Acid Accumulator | Early 20th Century | Unknown | Unknown | Teak, leather?, brass. | 62812 |