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20 messages added in the last 7 days
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  • Protecting probes in shipping

    I bought an end-window alpha probe that came in a reused spice container. It may have held organo in a former life, but with a small piece of foam tubing it

    dnix71 1 day ago
  • Headphone repair

    One of mine went bad and it was not possible to cleanly remove the coil and rebuild it, so I went to Radio Shack and bought a small piezo disk and fitted it.

    dnix71 2 days ago
  • Passive piezo speaker

    Doesn't make much noise, but no passive speaker will. My instructable. GPL so you can copy it and pass it around. The other assembly is with an LED instead of

    dnix71 4 days ago
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Group Description

The CDV 700 Club is a forum for like minded individuals that enjoy collecting, fixing up, and using geiger counters and other radiation monitoring equipment.

Group Information

  • 1320
  • Physics
  • Oct 7, 1999
  • English

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  • This is a restricted group.
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  • Listed in Yahoo Groups directory.
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