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    teknomunk (teknomunk@apogee.polaris-1.work)'s status on Thursday, 03-Aug-2023 00:03:31 JSTteknomunkteknomunk
    in reply to
    • Alex Gleason
    @alex

    The frequency that quartz crystals oscillate at is dependent on the thickness of the crystal and the crystal orientation.

    Here is a WWII documentary on how these crystal oscillators were manufactured for radio applications: https://www.youtube.com/watch?v=wHenisSTUQY
    In conversationabout a year ago from apogee.polaris-1.workpermalink

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    1. Crystals Go to War, 1943
      from Awareness Bureau
      A story in pictures of the preparation and manufacture of quartz crystals for radio communication. Narration by one of the research scientists of the U.S. Ar...
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