|Smith Doulble-bar Permeameter,
manufactured by the W.M. Welch Co. Designed by Arthur W. Smith of
the University of Michigan to measure the magnetic qualities of iron
and steel. The two iron bars forming the closed magnetic circuit have well
known magnetic characteristics.
For more detailed instructions go here.
|Standard bars for the permeameter. There are also two other boxes of similar sized bars marked "hyflux chrome steel magnets" and "cast iron magnets".|
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