Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 223
a position that itwill strike a bell B when the armature isdrawn to the poles of the magnet. A cur-rent breaker, consisting of a platinum-tippedspring D, attached to the armature, is placedin the circuit as shown in the figure. When the circuit is completed by a push-buttonP, the current from the…
Physics
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