Page:Popular Science Monthly Volume 22.djvu/352

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THE POPULAR SCIENCE MONTHLY.

spring against its contact-screw, and the signal goes out over each of the lines.

The synchronizer is the receiver of the signal, and consists essentially of an electro-magnet, in the circuit of one or other of the lines from the distributor, with armature carrying two counterpoised levers

PSM V22 D352 Time synchronizer mechanism.jpg
Fig. 12.—The Synchronizer.