20B

From Collins Museum
Revision as of 21:14, 10 April 2020 by Larry (talk | contribs) (Created page with "center|thumb|800px|20B HF Transmitter, Page 1 center|thumb|800px|20B HF Transmitter, Page 2 == Circa == 1933")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
20B HF Transmitter, Page 1
20B HF Transmitter, Page 2

Circa

1933

Retrieved from "https://collinsmuseum.org/index.php?title=20B&oldid=184"