If you’ve ever used an old tube radio, you might be familiar with that mysterious little green display that helps you to tune exactly to a station. That display is called a tuning indicator, or magic ...
A plastic 6-pin base with domed envelope. Donor’s card reads: “Electron-ray tube, glass type, made by the Radio Corporation of America in the early 1930s. An early model of the “magic eye” tuning ...
A plastic 6-pin base with domed envelope. Base stamped: "RCA Cunningham / Made in U.S.A. / Radiotron / [RCA logo]"; on envelope: "6E5". Donor’s card reads: “Electron-ray tube, glass type, made by the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results