Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 134
centred, and a radius equal to C/, draw res till they meet the concentric arcs drawn from the divisions ■ the semicircle in the points N, O, p-, O, R, and T. Find : corresponding points for the othef half, and draw a fair •/e through all the points, which will give the hypocycloid -juired. I20… … Fig. 235. equal to /A, set off on AB the point w. Join fw, and produceit to 7U. This is the normal. The tangent rs is at rightano-les to it. 171. To construct a continuous curve, by a combination of arcs ofdifferent radii, through a number of given points A, B, C, D, E,F, G, and H. Join the points…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
