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Displaying 571 to 620 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| 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 |
| View Record | Marconi's Sword-Stick | c. 1900 | Unknown | Unknown | Cane, gilt-metal, steel, turquoise. | 74444 |
| View Record | Remote-Control Switch | Early 20th Century | Unknown | Unknown | Teak, steel, cord, brass, copper. | 97148 |
| View Record | Bell Telephone Microphone | c. 1923 | Unknown | England | Ebonite, cast brass, steel?, nickel. | 64147 |
| View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 72842 |
| View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 92097 |
| View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 72238 |
| View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, plastic, assorted metals. | 57185 |
| View Record | Small Coupled Two-Way Switch | Early 20th Century | Unknown | Unknown | Steel, brass, iron?, bakelite?, mahogany?, ebonite. | 61022 |
| View Record | Carborundum Detector | Early 20th Century | Unknown | Unknown | Ebonite, nickel. | 90595 |
| View Record | Terminal | Early 20th Century | Unknown | Unknown | Ebonite, brass?, steel. | 54685 |
| View Record | Early Coherer | c. 1899 | Unknown | Chelmsford, England | Glass, copper, nickel, silver, assorted metals. | 34674 |
| View Record | Early Coherer | c. 1899 | Unknown | Unknown | Glass, copper, nickel, silver, assorted metals. | 17473 |
| View Record | Early Coherer | c. 1899 | Unknown | France | Glass, copper, nickel, silver, assorted metals. | 57633 |
| View Record | Early Coherer | c. 1899 | Unknown | England | Glass, copper, nickel, silver, assorted metals. | 72143 |
| View Record | Assorted Early Coherer-Related Letters | Early 20th Century | Unknown | Unknown | Paper | 51910 |
| View Record | Reproduction Photograph Of Dame Melba | 20th Century | Unknown | England | Cardboard, photographic paper. | 89558 |
| View Record | Lamps For Large Switchboard Type 95 | 1920s | Unknown | England | Glass, brass, assorted metals. | 40261 |
| View Record | Vertical Precision Instrument | Early 20th Century | Unknown | Unknown | Brass, paint, bronze, assorted metals. | 32039 |
| View Record | Triangular Base | Early 20th Century | Unknown | Unknown | Brass, iron, baize. | 53033 |
| View Record | Magneto-Electric Machine | Late 19th Century | Unknown | Unknown | Boxwood?, steel?, brass, velvet. | 54945 |
| View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 53392 |
| View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 19420 |
| View Record | Large Company Seal Embosser Chamberlain & Hookham Ltd | 20th Century | Unknown | Britain | Steel, wood. | 71971 |
| View Record | Transmitter Tuner Type MC13 | c. 1930 | Unknown | Unknown | Steel, nickel, plastic, assorted metals. | 18269 |
| View Record | Early Experimental Coherer | c. 1902 | Unknown | Unknown | Glass, copper, cork, iron, assorted metals. | 19433 |
| View Record | Early Coherer | c. 1902 | Unknown | Unknown | Glass, copper?, assorted metals. | 53061 |
| View Record | Bone Coherer Support Rod | c. 1902 | Unknown | Unknown | Ivory, assorted metal components. | 72278 |
| View Record | Early Coherer | c. 1902 | Unknown | Unknown | Glass, elastic, copper?, steel, assorted metals. | 62930 |
| View Record | Brass-Tipped Bone Stylus | c. 1902 | Unknown | Unknown | Ivory, brass, assorted metals. | 82611 |
| View Record | Spare Wires | 20th Century | Unknown | Unknown | Plastic, brass?, steel. | 70800 |
| View Record | Replica Righi Oscillator | Late 20th Century | Unknown | Unknown | Brass, ebonite?, plastic?, mahogany. | 79026 |
| View Record | B T-H Plaque | 20th Century | Unknown | Britain | Cast iron, paint. | 59770 |
| View Record | Replica Memorial Plaque Of South WellFleet Station (USA) | Late 20th Century | Unknown | USA | Cast metal. | 71856 |
| View Record | 'Cow's Tail' Insulator | Early 20th Century | Unknown | Unknown | Brass, wood, cable. | 15574 |
| View Record | Walnut Armchair | c. 1930 | Unknown | Unknown | Walnut, leather. | 55254 |
| View Record | Walnut Wardrobe | c. 1930 | Unknown | Unknown | Walnut, brass, glass, metal. | 91156 |
| View Record | Walnut Side Table | c. 1930 | Unknown | Unknown | Walnut, brass. | 48312 |
| View Record | Walnut Kneehole Desk | c. 1935 | Unknown | Unknown | Walnut, brass. | 82016 |
| View Record | Cluster Of Six Small Glass Tubes | c. 1902 | Unknown | Unknown | Glass, elastic, steel, assorted metals. | 80963 |
| View Record | Pillbox With Spare Coherer Parts | c. 1902 | Unknown | Unknown | Assorted metals, crystal, cardboard, cotton wool. | 50538 |