... against the bank, and is, therefore, one of the sides of the fork angle, and is drawn from the pallet center; V A W is an angle of 1¼°, which equals the freedom between the guard point and the roller; ... safely passed the dart h; the centers of the ruby pin o and of the crescent being on the line A' A2, we plant the compass on the pallet center and the center of the face of the ruby pin and draw k ... Analysis of the Lever Escapement, by H R Playtner Born 1715 Died 1794.] AN ANALYSIS OF THE LEVER ESCAPEMENT BY H R PLAYTNER A LECTURE DELIVERED BEFORE THE CANADIAN WATCHMAKERS' AND RETAIL...