the Radio Attic
Gallery of Crystal Radios
Radios that use only the power of the received radio signal to produce sound, needing no external power. Most important component is a crystal detector, made from a piece of crystalline mineral such as galena.

Click on any item to go to its Attic page.
Crystal Radio
Crystal Radio
$225.00

Pollak
Pollak's Mite-Size Crystal Radio
$50.00
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