American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 562
equires a closing and opening of the circuit of em to release this mechanism. Assuming the circuit to be at present open, the spring Rs is prevented from pullin^^ tne upper end of armature lever a further to the right by the bent lever k. When, however, the circuit is closed, and the armat\u-e is… … GAMEWELL IXDICATOR. 452 AMERICAN TELEGRAPHY. w. This releases that arm, which, with w, at once makes a revohition, with the followingresults: First, wheel w at the middle of its revolution pushes the rod q up against fin-ger r, thereby permitting the cylinder c to turn the distance of one figure.…
Telegraph
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