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American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)

Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 208

An illustration from American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation, 1909, leaf 208
roughout, the apparatus, battery, etc., at the near sta-tion will frequently be referred to as the home apparatus; that at the distant sta-tion, the distant apparatus. For instance, the home battery; home relay;* home transmitter, etc. It has been pointed out that in ordinary Morse, or single wire… … THEORY DIFFERENTAL DUPI^EX, To make duplex telegraphy possi])le, tlierefore,it is essential that the signals trans-mitted from the home station shall not interfere with the signals to be received at tliChome station, The home receiving instruments at each station must, consequently, beso…

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