Vintage Lafayette electronic vacuum tube tester, model TE-15, Lafayette Radio Electronics Corporation, circa 1961. Photograph by Joe Haupt on Flickr under a CC-BY-SA-2.0 free license

Flickr file: www.flickr.com/photos/51764518@N02/52057582900

Short URL: flic.kr/p/2nj9HJL


This work is licensed under a Creative Commons Attribution-ShareAlike 2.0 International License.