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Homebuilt Geiger Counter

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  • Homebuilt Geiger Counter

    When you just got to have one:

    http://www.techlib.com/science/ion.html

  • #2
    googd stuff but there was a guy that had a box of old gieger counters at the gun show i was at last week. he was selling them for $25. i was thinking of picking one up to play with but the old lady talked me out of it.

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