Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 187
the recording pen, the lever system being similarto that at the transmitter. Thus, the motion of the penis the resultant of the motions of the two coils, which mo-tions are proportional to those of the transmitting contactrollers, and they are the component motions of the trans-mitting pencil;… … TRANSMITTER Fig. 7- indicates the various auxiliary devices utilized in realizingcommercial practicabihty. The apparatus used for thetransmission of the writing motions is apparent, the left MISCELLANEOUS TELEGRAPHS 173 and right rollers on the transmitter rheostats connectingdirectly with the two…
Telegraph
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