The 6E5 was the first of a long line of so-called "magic eye" tubes, released by RCA in 1935. Image: Chuck Penson, WA7ZZE, collection
Name/Title
"Magic Eye" Tubes
Description
General Information on "Magic Eye" Electron Ray Indicators Tubes
Category
Vacuum Tube
Made/Created
Manufacturer
Radio Corporation of America
Date made
1935
General Notes
Note
Radio, Jul 1935, p. 8.
Radio Craft, Sep 1935, p. 154.
QST, Nov 1935, p. 73.
References
How the Cathode Ray Tuning Tube Works. Radio Craft, Dec 1935, p. 348.
Review (6E5). Radio News, Dec 1935, p. 331.