An experimental study of the fahy permeameter (1918)
National Bureau of Standards · leaf 25
20000 CO (U > /SCoo lOoOO ^000 -ZOO 40 -^o o ^jo Percentage of H Fig. 10.—Showing the data of Fig. 18 on a percentage basis E and El are the extreme curves from four Esterline permeameters; U is from an uncompensated doubleyoke; U\ is from a single yoke (Z=27.8 cm); Ui is from a single yoke… … • M -► * /o ts zo Fig. II.—Showing values obtained by the method of comparison The solid curve represents the normal induction by the standard method and the circles represent pointstaken by comparison with a standard bar
Magnetism · measurements and use of instruments/ B8000 Power systems and applications
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