e liftingsurface on the pins not more than one-fourth the arc of thecircle. This is especially true of the larger escapementsused in tower clocks, though they are also found in regu-lators. In view of the wide variation in practice, therefore, wehave endeavored to present in Fig. 39 a conservative… … Fig. 39. Pin Wheel Escapement. generally in imported regulators, which have come fromSwitzerland or Germany. The Waterbury Clock Co. atone time made this escapement for its regulators and the THE MODERN CLOCK. 137 Seth Thomas Clock Company made a number of its earlytower clocks with it, but both…
Clocks and watches
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