An experimental study of the Koepsel permeameter (1914)
National Bureau of Standards · leaf 20
i IN PROPER POSITION^ ^SHINGS MISPLACED … H-^ ^**= Fig. -Showing the effect of improper placing of the bushings inapparatus Koepsel jecting beyond the yokes on the outer side by about 5 mm. Thishas the effect of increasing the effective length of the portion of thespecimen tested. Fig. 11 shows the two ctirves obtained with thebushings…
Magnetism · measurements and use of instruments/ B8000 Power systems and applications
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