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Alternating Polarity (N/S/N/S) Iron Filings Test (YouTube)


"Test showing the behaviour of iron filings placed above magnets with alternating polarities...N,S,N,S etc."

from http://www.youtube.com/watch?v=qG5JnpXbLkY

Ed Leedskalnin: Sound Base

(just for your information, no use in sending letters to a man who has been dead for a while. this is for archiving purposes, so that people see how Ed Leedskalnin conducted himself when he was alive).

MAGNETIC CURRENT
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