Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 199
which it is required to remain, without regard to the retiring side. Onthis^)rinciple, motion may be conveyed by belts to shafts oblique to eachother. Let A and B (fig. 261) be two shafts at right angles to each other, A vertical, B horizontal, so that theline run perpendicular to the directionof… … DRAWING OF MACHESTEEY. 157 as 3 of A to 2 of B. On A describe the circumference of the pulley pro-posed on that shaft; to this circumference draw a tangent a h parallel toQYi n^ this line will be the projection of the edge of the belt as it leaves A,and the centre of the belt as it approaches B;…
