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Displaying 561 to 580 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 36535 |
| View Record | Metal Component Pair FT-162 For Radio | 20th Century | Unknown | Unknown | Iron?, steel, nickel. | 18465 |
| View Record | Assorted Components For T1154 And R1155A In Wooden Chest | 1940s | Unknown | England | Wood, steel, glass, canvas, assorted metals. | 13044 |
| View Record | Marconi Plastic Bust | 20th Century | Unknown | Unknown | Plastic, brass. | 70226 |
| View Record | Single-Turn Primary Coil | Early 20th Century | Unknown | Unknown | Wood, brass. | 61290 |
| View Record | Tuning Condenser | Early 20th Century | Unknown | Unknown | Brass, ebonite, assorted metals. | 44153 |
| View Record | Telephone Relay | Early 20th Century | Unknown | Britain | Mahogany, brass, nickel. | 46067 |
| View Record | Replica Grasshopper Send-Receive Morse Key | 1970s | Unknown | Unknown | Brass, plastic?, mahogany. | 27753 |
| View Record | Tuning Condenser | c. 1907 | Unknown | Italy | Brass, steel?, ebonite. | 41634 |
| View Record | Voltmeter With Case | Early 20th Century | Unknown | Britain | Oak, brass, glass, celluloid, paper, assorted metals. | 65935 |
| View Record | 1901 Transatlantic Billi Condenser | c. 1901 | Unknown | Unknown | Copper, waxed paper. | 94060 |
| View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 50523 |
| View Record | Bell Telephone Microphone | c. 1923 | Unknown | England | Brass, ebonite, nickel. | 35219 |
| View Record | 120 Ohm Resistance Coil | Early 20th Century | Unknown | Unknown | Teak, steel, wax, assorted metals. | 64043 |
| View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, bakelite. | 71452 |
| View Record | Two Ebonite Tube Insulators | Early 20th Century | Unknown | Unknown | Ebonite. | 76742 |
| View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, plastic?, nickel, iron, copper. | 89483 |
| View Record | GPO Radio Valve Type No 2 | 20th Century | Unknown | Britain | Glass, brass, plastic?, nickel. | 26614 |
| View Record | Ship's Direction Finder | 1920s | Unknown | Unknown | Glass, plastic, bakelite, teak?, copper, assorted metals. | 35780 |
| View Record | Morse Twin-Contact Key | 20th Century | Unknown | Britain | Ebonite, bakelite, glass, nickel?, brass. | 96935 |