The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . s Fig. 102*. into the lip of the cylinder some distance up the plane. On the other hand, a very steep tooth is almost sureto set in action as the oil thickens. Thediameter of the cylinder, its thickness,and the length of the wheel teeth are allco-related. The size of the cylinderwith relation to the wheel also variessomewhat with the angle of impulse, avery high angle requiring a slightlylarger cylinder than a low one. If acylinder ©f average thickness is desiredfor an escapement with me
The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . s Fig. 102*. into the lip of the cylinder some distance up the plane. On the other hand, a very steep tooth is almost sureto set in action as the oil thickens. Thediameter of the cylinder, its thickness,and the length of the wheel teeth are allco-related. The size of the cylinderwith relation to the wheel also variessomewhat with the angle of impulse, avery high angle requiring a slightlylarger cylinder than a low one. If acylinder ©f average thickness is desiredfor an escapement with medium im-pulse, its external diameter may be made equal to the extreme diameterof the escape wheel x .115. Then to set out the escapement, if a lift of say 30° be decided on, acircle on which the points of the teeth will fall is drawn within one ?Elevation of Cylinder and One Tooth of Escape \Vheel of Cylinder and One Tooth of Escape Wheel therein. a. Escape Wheel; b, Cylinder; c, Entering Lip of Cylinder; d, Exit Lip of Cylinder;«€, Passage for Escape Wheel; ;^, Collet for
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Keywords: ., bookcentury1800, bookdecade1890, bookidamericanwatc, bookyear1892
