Determination of the degree of uniformity of bars for magnetic standards (1918)
National Bureau of Standards · leaf 6
too Leakage slope 0 —ft-—q Uniform Bar 1100 10000, … 100 - a: v Leakage slope 0 *■ w Nonuniform Bar Fig. i.—:Distribute) DETAILS OF THE METHOD The essential features of the apparatus used in this investiga-tion consist of an electromagnet and a pair of specially wound testcoils (Fig. 2). The electromagnet has pole pieces adapted for Bulletin of the…
Magnetism · Measurements and use of instruments · Magnetic properties and materials A4100 Electricity and magnetism · Fields and charged particles
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