American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 563
sing, and hence, at each revolution of wheel w a figure will be advancedon the indicator. When, however, a longer interval occurs in the breaks of the circuit, as happensbetween the figures of a signal box number, the mechanism of the indicator is sotimed that, during that interval, the rod q is… … GAMEWELL INDICATOR, THEORY. THE GAYNOR FIRE ALARM TELEGRAPH. 453 of v, and,ill the same manner as before, the rod Q is held under f, and will lift npih&t finger, releasing cylinder c at each revolation of w; so long, again, as the sig-nals come in at regular intervals. If the box from which the…
Telegraph
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