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 85
p in a wheel (fig. 146) :—Draw two diameters, A B, CD, parallel to the two edges of theboard ; in the quadrant A C, draw radii E <?,E Z>, with the long and tlie short sides of thetriangle against the square-blade. Tliose willdivide tlie quadrant equally ; and the sameconstruclii.n l.cing… … lu. IJO. GEOMETEICAL PEOBLEMS. C5 lines, equally distant, will be described. Should tlie triangle be largeenongli to embrace tlie wliole circle at once, tlie opposite quadrants A Cand B D may be divided with the same setting of the triangle. A short method of dividing a line or surface into a…
