American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 418
gh the separ-ating condensers sc, which instruments, as already said, virtually act as repeaters ofthe rapid pulsations set up by the transmitter of the telephone; the minute andrapid variations of potential caused by that transmitter being reproduced at the ter-minals of the condensers and,… … mm^ increasing the clearness and strength of received signals. it is necessary to shuntthose relays with conden-sers, as shown in the caseof the Yarley-Athearn duplex and the Edisonphonoplex, next described. In Fig. 264 the actualconnections of the gradu-ating apparatus are shown.In practice the…
Telegraph
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