Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 280
\ 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… … Flc 35- P and / being known, assume r to suit. Divide P by / and.find the quotient in the column headed by the required r, in 266 MECHANICAL DRAWING. Table 14. At the side of the table in the same row will be foundthe necessary depth of section d. TABLE 14. r d .50 .75 1.00 1.25 1-SO 1.75 2 .00…
