er of breaking a pivot when theclock is being put together. 482 THE MODERN CLOCK. When a washer is used the points of the pillars projecthalf the thickness of the washer through the frames, thehole in the washer being large enough to go on to thepoints of the pillars. Figure 160 is an outline of… … Fig. 160 but for the scape-wheel arbor I consider that a cock shouldnever be used when it can be avoided. The idea of usinga cock for the scape-wheel arbor is to bring the shoulderof the pivot near to the dial and thereby make the smallpivot that carries the seconds hand so much shorter; andso far…
Clocks and watches
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