American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 35
ue. The rocking bar is fastened in such away that the centre of its oscillatory movementis the centre of the bevel wheel, so that the twowheels gearing into it at both sides remain inregular action with it in whatever position thebar may be. One of these wheels is continuallyin gear with the barrel… … touch the teeth of it when the wheel at theother side of the bar is clear out of gear withthe barrel wheel. Moreover, it is held at a sufficient distance from the minute wheel by aspring acting on the working bar. (Fig. 36.) 146. Setting the hands requires the inverseposition of the rocking bar to…
Clocks and watches
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