American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 502
Tlie flat wheel f is rigidlymounted on the same shaft, pw ispressed snugly against f ana when it is not restrained bv the eno-ao-ement of the detentD With one of its spurs, it revolves in unison with f. tw is the type-wheel, carrying the let-ters of the alphabet on its periphery, st is a toothed… … 426 AMERICAN TELEGRAPHY. once ceases to revolve. Normally, the type-wheel tw is caused to revolve at ?rate equivalent to that at which the wheel h carrying the dog d at the transmittingstation is rotated; for simplicity the train of wheels for the purpose is omitted inFig. 318. iw is an ink-roller…
Telegraph
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