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
north
"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
MAGNETIC CURRENT
Ed Leedskalnin: Mineral, Vegetable and Animal Life
MINERAL, VEGETABLE AND ANIMAL LIFE