... 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 ... is the center of the fork when it rests against the bank. The angle AA'X represents half the impulseangle; the other half, the same as with the fork, is struck on the other side of the...