American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 498
e wheel fd, which rotates in an oil pot op ; thence, PHELPS MOTOR PRINTER. 421 via the framework of the motor, to the motor brush and through the motor to the bat-t-ery. The function of the shunt wire w via r, will be described presently. The leverF rests more or less lightly on the periphery of… … PHELPS motor printer, theory. at each end of the wire shall be practically the same, it is necessary that the speed of^ach motor should be under control at each station. This control is effected by meansof an electro-mechanical governor, shown as g Figs. 312 and 313, and consists of thefollowing…
Telegraph
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