Tip #12: Back in the 1980's I bought a book titled "How To Build And Use A Molecular Frequency Discriminator". It said the way you can determine target size is to find the signal line and stand on it with the L-rods closed and count how long before the rods open.If they open after a short time the target is small or insignificant. Flour gold 7 seconds, Grains (5) 20 seconds, 14K gold Wedding Ring 14 seconds, 1/4 oz Gold Coin 60 seconds, etc. Not sure I agree with these times, I found much longer times so test yourself.
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