the tems of synchronizing, the greatest speed attained is éémmitater segments, 1, 2, 3, 4, 5, ete. A brush, 0, far short of the | ability of the current to respond in 300 revolutions per minute. In the experiment of the the transmission of impulses or signals. Visual Synchronism Company above… … portion of the apparatus in perspective ; active manipulator could transmit a Fig. 2 shows the manner of using the de- speech directly by means of the ten- LINE GROUND tached punching machine; Fig. 3 repre- keyed punching machine without calling '« sents an electrical punching machine con- in the…
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