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 118
e represented by the lines af c g^and d A, e ^, drawn iiarallel to tlie axes of the respective cylinders throughthe points where tlic chords a^ c^ and d^ e^ cut the circles of their bases ;and tliat, consequently, the intersections of those lines indicate points inthe curves sought. These points… … PLATE IX 94
