We’ve frequently talked about amateur radio on these pages, both in terms of the breadth of the hobby and the surprisingly low barrier to entry. It’s certainly the case that amateur rad… ...

Tesla’s Spirit Radio uses a simple crystal radio circuit connected to a computer sound-in jack to generate spooky sounds from all kinds of electromagnetic sources. As you will see, it creeped ...

The company offers a collection of crystal radio books and claims to be “America’s Oldest Radio Manufacturer & Publisher,” in business since 1932. By a whisker. In its most simple form, a crystal ...

Crystal Radios are an old standby of GeekDads. For the early mists of time Geekdads have been showing kids how to pull radio stations from thin air with the barest snips from the basement. Here ...

SOUTH BERWICK, Maine — I grew up in Topeka, Kansas. When I was around 11 years old, in the mid 1950s, my sister and her husband gave me a crystal radio kit for Christmas. That night, my brother ...

Gecophone crystal detector radio set no. 1, complete with instruction handbook, made by the General Electric Company Limited, British, 1923. Polished mahogany case with a lift up lid and ebonite ...