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My
periodic table poster
is now available!
Motor magnet ring.
A ring of magnets arranged as you would find them surrounding the core of an electric motor.
Source:
eBay seller emovendo
Contributor:
Theodore Gray
Acquired:
11 March, 2009
Text Updated:
12 March, 2009
Price:
$10
Size:
1"
Purity:
30%