Appleton's cyclopaedia of drawing : designed as a text-book for the mechanic, architect, engineer, and surveyor : comprising geometrical projection, mechanical, architectural, and topographical drawing, perspective and isometry (1869)
Worthen, W. E. (William Ezra), 1819-1897 · New York : D. Appleton and Company · leaf 96
ola. The opposite cone is a reversed cone formed on the apex of the other. by the continuation of its sides. The Cycloid. The cycloid is the curve described by a point in the circumference of a circle rolling on a straight line. Prob. LXYII. — To describe a cycloid (tig. 171). Draw the straight… … divide the semicircumference into any number of equal parts, for instance six ; lay off on A B and C E distances C F, T 2' . . ., equal to the divisions of the circumference ; draw the chords D 1, D 2 . . ., from the points V , 2', S' . . . on the line C E, with radii equal to the generating…
