American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 104
empli-lies a number of more or less similar automatic transmitters, variously named theauto-dot, the mecograph, etc. The vibroplex consists of a pendulum arrange-ment p extending from one end of a key k. This key is pivoted at N. c, c^ arecontact posts. L, L^ are the line posts. L^ c^ and c are… … VIBROPLEX TRANSMITTER. open position between the stops s s. When key k is pushed to the left by means ofknob m it closes the circuit at the dash contact c. When the key is pushed to theright by means of knob m\ the pendulum is set into vibration and the circuit is openedand closed rapidly at the…
Telegraph
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