Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 279
50 is a cross-section of the ordinary circularwasher for all kinds of bolts. Table 13 gives the proportionsfor different diameters of bolts. TABLE 13. Diam. of j D u. s. Diam. of d z? U. S. Bolt. Wire Gauge Bolt. Wire Gauge ft \ A No. 18 1 It 4 No. 9 \ A 1 No. 16 I 1* 2\ No. 9 ft 1 1 No. 16 ii ii… … \ r w Fig. 351. CRANE HOOKS. Notation: * P = load in pounds;A = area in square inches;R2 = square of the radius of gyration;/= allowable fiber strain in pounds per square inch. P Pxex_P PxeiJ~~A ~T~~ A AR2 A 1 + xe\R2 . . . (General Formula) * American Machinist, Oct. 31, 1901. ELEMENTARY MACHINE…
