American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 378
pressions or etchings in the paper. \ THE DENISON FAC-SIMILE TELEGRAPH SYSTEM. An electro-chemical fac-simile system now employed in this country isshown theoretically in Fig. 242, in which t is the transmitter, k, the receiver. Qieseinstruments, it is seen, are nearly similar in general… … DENISON FAC-SIMILE TELEGRAPH. lays. The amplitude of the vibration of the arms is regulated by the stop screws* s, s;s s. These relays are in a common circuit c, in which circuit rapid reversals ofpolarity are produced by a generatcr d; in this case a small alternating currentdynamo machine, driven…
Telegraph
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