Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 316
(^) (•) … 298 ELECTRIC TRANS3IISSI0N OF ENERGY. ing field is indicated by dots and crosses in the usualway. The circle on the left of each figure representsthe phase of both currents. Thus in diagram I. the cur-rent in A is zero, and that in ^ a positive maximum.The field produced by B passes through zero,…
Electric power production
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