American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 500
d. But, again, if by the time k reaches the nextniche, ear r has been released, k at once drops into that niche, and instantly draws thewheel H with it. Reverting now to Fig. 313. The wheel w is supposed to be rotating in the direc-tion indicated by the arrows; h being rotated with it. The angular… … 424 AMERICAN TELEGRAPHY. FIG. 315.
Telegraph
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