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Displaying 541 to 590 of 655 records
Click the column headings to sort the table in ascending order of this value.
| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Medal John Fritz | Dated 1922 | V. D. Brenner. | Unknown | Bronze | 35206 |
| View Record | Medal Enrico Silvani | Dated 1927 | G. Romagnoli. | Unknown | Bronze | 41328 |
| View Record | De Forest Audiotron Radio Valve | Early 20th Century | De Forest. | Unknown | Copper?, glass, assorted metals. | 99552 |
| View Record | Gecophone Crystal Set | c. 1921 | GEC. | Unknown | Mahogany, bakelite?, ebonite, nickel, brass, steel | 80012 |
| View Record | Replica Righi Oscillator | Late 20th Century | Unknown | Unknown | Brass, ebonite?, plastic?, mahogany. | 21726 |
| View Record | Toothed Disc For Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Brass | 91762 |
| View Record | Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Steel, brass, cast-iron, | 64999 |
| View Record | Mullard Radio Valve Type ORA/B | c. 1922 | Mullard Radio Valve Co. | Unknown | Glass, rubber?, assorted metals. | 18833 |
| View Record | Replica Grasshopper Send-Receive Morse Key | Late 20th Century | Unknown | Unknown | Brass, plastic?, mahogany. | 70649 |
| View Record | Replica Morse Key | Late 20th Century | Unknown | Unknown | Teak, plastic?, brass. | 94821 |
| View Record | Replica Morse Key | Late 20th Century | Unknown | Unknown | Teak, plastic?, brass. | 44566 |
| View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 39443 |
| View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 92107 |
| View Record | Radio Valve Type VU120A | Mid 20th Century | Unknown | Unknown | Glass, plastic?, steel, assorted metals. | 53371 |
| View Record | Mazda Radio Valve Type CV6 With Carton | 20th Century | Mazda Company. | Unknown | Glass, plastic?, steel, assorted metals. | 38616 |
| View Record | Balloon Envelope Radio Valve | 20th Century | Unknown | Unknown | Glass, steel, bakelite, assorted metals. | 92020 |
| View Record | Balloon Envelope Radio Valve | Early 20th Century | Unknown | Unknown | Glass, steel, bakelite?, assorted metals. | 13172 |
| View Record | Radio-Special Micro Radio Valve Type E6 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 42700 |
| View Record | Radio Valve Type ML6C | Mid 20th Century | Unknown | Unknown | Glass, steel, ceramics, assorted metals. | 28855 |
| View Record | Assorted Radio Valves | 20th Century | Unknown | Unknown | Glass, steel, brass, assorted metals. | 46605 |
| View Record | Radio Valve Type P2 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 48561 |
| View Record | Metal Component Pair FT-162 For Radio | 20th Century | Unknown | Unknown | Iron?, steel, nickel. | 18465 |
| 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 | Replica Grasshopper Send-Receive Morse Key | 1970s | Unknown | Unknown | Brass, plastic?, mahogany. | 27753 |
| View Record | 1901 Transatlantic Billi Condenser | c. 1901 | Unknown | Unknown | Copper, waxed paper. | 94060 |
| 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 | Ship's Direction Finder | 1920s | Unknown | Unknown | Glass, plastic, bakelite, teak?, copper, assorted metals. | 35780 |
| 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 | 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 | Unknown | Glass, copper, nickel, silver, assorted metals. | 17473 |
| View Record | Assorted Early Coherer-Related Letters | Early 20th Century | Unknown | Unknown | Paper | 51910 |
| 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 | 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 |