ifting Planes. Let us analyze these drawings. A little study of Figs.41, 42 and 43 will show that there is really only one point ofdifference between them and Fig. 32, which shows the ele- THE MODERN CLOCK. H5 ments of the Graham, or dead beat. The sole difference isin the fact that there are no… … V -L Fig. 43. Drawing the Lock Lift and Recoil of the Usual Form. in the same manner; indeed, if we were to set off on Fig.32, the amount of angular motion of the pallet fork whichis taken up by the run of the escape wheel teeth on thelocking planes, by drawing dotted lines above the tangents,T, we…
Clocks and watches
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