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Action of the Earth in solenoids
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03-26-2009, 04:34 PM
Esteban
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Join Date: Mar 2005
Location: In the Heart of South America
Posts: 2,454
You can start with the magnetic field detector by Andy Flind published on Everyday... magazine. No transformer is used here, of course.
Here the Andy's project inside my fiberglass pistol.
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