Skip to main content

Radio Reactions

July 2024
1min read

Ms. Marquis’s otherwise excellent summary of “Radio Grows Up” contains an error. The crystal radio sets of the early twenties didn’t use germanium; instead, it was galena, a much cheaper and more plentiful crystal, which then sold for twenty-five cents apiece. Ask any old-timer!

Enjoy our work? Help us keep going.

Now in its 75th year, American Heritage relies on contributions from readers like you to survive. You can support this magazine of trusted historical writing and the volunteers that sustain it by donating today.