drawing of an escape wheel and lever, 194 THE MODERN CLOCK. such as are used in the above cited clocks, made from meas-urements of the parts of a clock. The drawing is, ofcourse, enlarged. The measurements are: Escape wheel,actual diameter, i8.ii mm.; original diameter, 17 mm.;fever, from pin to… … them. There is only one mistake visible, which is in theshape of the escape teeth, and I fail to see why this wasoverlooked by those in charge at the factory: the drazv isinsufficient. It is only from seven to eight degrees, whenit should be fifteen degrees. I show this at tooth A, in thedrawing,…
Clocks and watches
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