American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 554
n operated by the break caused by the street box insending in its alarm. The cam c, Fig. 329, as just said, at once returns the pin sp into the path of arma, checking the motion of the cylinder at the end of its revolution; but the shaft s re-mains as first placed, namely with its revolution… … c>A^A^wwvv\^vwvww\^vw 444 AMERICAN TELEGRAPHY. FIG- 331. permits a detent lever to fall into a slot, thus enabling the shaft s to complete itsrevolutiou and at the same time to lift tlie rods r away from levers 11 and from the flatsprings/^, thereby allowing/i-and/^^to come together, closing all…
Telegraph
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-416-187.webp)
