Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 274
he strap where it is pierced by the cotter,should not be less than 1.3 7\ V, the distance from the gib tothe end of the strap, = 2 J1. /, the distance from the cotter tothe end of the rod, = 1.5^ c, the clearance, should not be lessthan cf (the difference between the widest part of the eotter… … wrench. They are made of wrought iron or steel, drop forged.Table 9 gives the usual proportions. 260 MECHANICAL DRAWING. TABLE 9. PROPORTIONS FOR WRENCHES. B = WX.& D = WX.6$ F=WX.2S L = WX.7
