American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 519
iscaused to pass in a small space between the punches. The punch-magnets arerepresented by b. They are compactly arranged in four vertical rows, two of whichare seen in the figure. Behind each punch a there is placed a crank-lever d d(pivoted at s 6), one for each punch. Pivotally attached, as… … when a magnet is attracted, the hooked arm pulls down the lower end of its crank-lever d^ driving the punch opposite its upper end forward through the paper stripsThus when any given key is depressed it will close a certain six of the circuitscontaining punch-magnets, which in turn will operate the…
Telegraph
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