If you read the December 1970 issue of Mechanix Illustrated, you’d be treated to [Len Buckwalter]’s crystal radio build. He called out Modern Radio Labs as the supplier for parts. That company, run by ...
One year ago, you were reading this on GeekDad, by Kevin Kelly: Crystal Radios are an old standby of GeekDads. For the early mists of time GeekDads have been showing kids how to pull radio stations ...
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