American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 91
heend of the arbor % projects through the cocksufficiently to allow to be slipped upon it theshort tubular collar m, with its set screw; tothe front end of this collar is secured a right-angled slitted arm, represented in perspectiveat Fig. 2. In the slit of this arm, which liesin front of the disk… … The arbor i has upon it a tubular collar k,fastened m any desired position by the set screw/, which is indefinitely prolonged upward, form-ing a rocking bar, to which motion is impartedby the stud in the revolving disk f, the lengthof stroke depending upon the place upon thebar I from which the…
Clocks and watches
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