... 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; ... edge of the fork and an arc swept with it which is then tobe intersected by another arc swept from the end of the horn, on the same side of the fork. At the point of intersection of the arcs the ... half the angular motion of the fork. There is an Analysis of the Lever Escapement, by H. R. Playtner 13ingenious arrangement of fork and roller which aims to, and partially does, overcome the...