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Earthquake Tremor Vibration Detector (Downloadable Plans)

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Price:
$4.00
SKU:
TREM1-D


Product Description

Sensitive Enough To Detect Tapping A Finger On A Nearby Rock!

Very similar circuit to above MGD10 Magnetic Distortion Detector, with a bias magnet and a special method showing mounting of the detection head.

These are downloadable plans, requiring parts and assembly.

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