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Displaying 631 to 650 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Audion Radio Valve | c. 1907 | Lee De Forest. | USA | Glass, assorted metals. | 90974 |
| View Record | RCA Radiotron Radio Tube Type VR54 | 20th Century | RCA. | USA | Plastic?, steel, assorted metals. | 80165 |
| View Record | RCA Radiotron Radio Tube Type VR54 | 20th Century | RCA. | USA | Plastic?, steel, assorted metals. | 15408 |
| View Record | Ken-Rad Radio Tube Type 6SN7GT | Mid 20th Century | Ken-Rad. | USA | Glass, plastic?, steel, assorted metals. | 81227 |
| View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 | 20th Century | RCA. | USA | Glass, plastic?, steel, assorted metals. | 15130 |
| View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 | 20th Century | RCA. | USA | Glass, ribbon, steel, plastic?, assorted metals. | 56681 |
| View Record | Raytheon Radio Tube Type 6J7G | Mid 20th Century | Raytheon. | USA | Glass, steel, plastic?, assorted metals. | 39208 |
| View Record | RCA Radiotron Radio Tube 42 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 89266 |
| View Record | National Union Radio Tube Type 35Z5GT With Carton | c. 1942 | National Union. | USA | Glass, plastic, steel, assorted metals. | 80623 |
| View Record | RCA Radiotron Radio Tube Type 6C8G With Carton | 20th Century | RCA. | USA | Plastic?, glass, steel, assorted metals. | 72382 |
| View Record | RCA Radiotron Radio Tube Type 6B7 With Carton | 20th Century | RCA. | USA | Glass, plastic?, steel, assorted metals. | 58967 |
| View Record | RCA Radiotron Radio Tube Type 6D6 | 20th Century | RCA. | USA | Plastic?, steel, glass, assorted metals. | 82120 |
| View Record | RCA Radiotron Radio Tube Type 6D6 | 20th Century | RCA. | USA | Plastic?, steel, glass, assorted metals. | 71527 |
| View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 48010 |
| View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 22269 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 92814 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, plastic?, assorted metals. | 93609 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 92559 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 31425 |
| View Record | American-Type Radio Tube | 20th Century | Unknown | USA | Glass, brass, bakelite?, assorted metals. | 36535 |