Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 441
Fio. 521.—Electric bell and its connections.At G is shown a section of the push-button. The figure shows the bell whenthe button is not pressed. The currentmay pass in either direction through thebell. … through the electromagnet to the battery. The armatureis drawn in and the bell struck by the hammer; but by the GALVANOMETERS—THE TANGENT GALVANOMETER 481 luovenieiifc of tlie armature the spring I) is separated from thescrew C, and the circuit is broken at this point. The magnetthen released, tlie…
Physics
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