On Mon, 29 Sep 2008 13:42:11 -0700 (PDT), the renowned
wrote:

I have an old fleamarket growler for checking electric motor
armatures. It warns not to be turned on without armature in V. My
physics has faded over the years, what will happen with an incomplete
magnetic circuit? Can this be modified to use as a de-magnetiser or
is it a piece of junk just worth the copper?

Sell it on eBay and put the money in your pocket, then pick up a demag
while you're there. http://tinyurl.com/4kd7k9 about $15, delivered.

Armature testers/growlers are going for $10 to $3k.

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If the gods had meant us to vote, they'd have given us candidates.
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