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    HOW TO Build an Electronic UFO Detector

    From a 1968 issue of Flying Saucer Review is this HOWTO on building your own Electronic UFO Detector. It's actually an electronic magnetic field alarm, so even if you're skeptical about UFOs, this device could probably also be used to detect ghosts.

    Loup Dargent
    by Loup Dargent

    Community Contributor

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