Playtner, H. R. [from old catalog] · Chicago, Hazlitt & Walker · leaf 21
e on the locking edge of theescape teeth, the stronger the draw would be. This is notthe case, but it is certainly necessary that the point of thetooth alone should touch the pallet. From this it followsthat the angle on the teeth must be greater than on the pal-lets; examine the disengaging pallet… … tooth, which partially explains why some people advocate150 draw for this pallet. As illustrated in the case of thedisengaging pallet, however, the motion is also towards theline of centers AB, and tozuards the tooth as well, all ofwhich will be seen by the dotted circles MM2 and NN2,representing…
Clocks and watches
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