Emoism
Gadgets & Electronics
January 15, 2011 at 9:23 am
filed under Gadgets
Tagged calculator metal detector, envelope detector calculator, tone detector calculator
How to turn a calculator into a metal detector (Not a Tut)
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COUNTERFEIT DETECTOR, UV WATER MARK MAGNETIC OIL DETECTION WITH VOICE,CALCULATOR $34.99 |
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Radiation Calculator, use with V-715 or V-717 Meters Victoreen Detector for Rads $18.00 |
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