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 32
froi … DEAWIXG IXSTRU^VIENTS. 11 practice. AYIiatever be the nature of the curve, some portion of the uni-versal sweep will be fonnd to coincide withits commencement, and it can be continuedthroughout its extent by applying successively such parts of the sweep as are suitable, taking . . , care, however,…
