This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...the distortion of the angles is greatest on the flatter side of the section; hence the shearing unit-stress is there the greatest, and the torsion formula (90) does not apply to the elliptical bar; in fact, that formula applies only...