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RCA Radio Apparatus for Amateur and Experimental Use
#1

This link popped up on the Delaware Valley Historical Radio Club mail reflector.
http://www.skywaves.ar88.net/Docs/default.html

An RCA 1921 publication "with Instructions for Continuous Wave Operation."  The link is to the full publication.
#2

thanks bob Icon_thumbup

Some day, and that day may never come, I will call upon you to do a service for me. But until that day, accept this justice as a gift
mafiamen2
#3

Very nifty i saw that one as well......radio was transformative beyond what we can think.

paul

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