American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 53
are flowing fromright to left, or from n to s, if the loop be rotated on its spindle so thatone side, J-, of the loop, is caused to cut the lines from a to I? 2, current willbe set up in s in a direction away from the observer; while the current gene-rated, at the same time, in the side s\ in… … and J. As the current is the result of an electromotive force established in the wireby the act of cutting the lines of force, it is plain that, upon the direction in whichthe wire cuts the lines, depends the polarity of the electromotive force. As the loop continues its revolution, and the side s…
Telegraph
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