Cool ancient instructions on how to build a radio

This is from the Science News website.

Back when it was a new medium.

Who's gonna try it?


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Cool ancient instructions on how to build a radio "​


LOL 1922 is not ancient! it's just a few yours ago!!!!!
My father was born before 1922. And he was operating early radar in the 1930's for the U.S. Naval Research Laboratory.



The year 1400 is getting closer to ancient but still not there.

Cool info about radios in the 1920's!!! Thanks for posting this I downloaded a PDF copy of this.
 
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