Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 70
many equal partsas the number of semi-circles required (in thiscase seven), and fromeach of these points, A,B, D, E, F, G, and H,draw diameters. Fromthe point A draw thetangent AM (Prob. 84),and bisect the angle CAMby a Hne cutting CK inN (Prob. 12). With C ascentre, and CN as radius,mark off the… … EXERCISES. 1. Construct an equilateral triangle of i^ sides, and about it describea trefoil having tangential arcs. 2. Construct a pentagon of f sides, and about it describe a cinque-foil having adjacent diameters. 3. Draw a pentagon of ^ sides, and about it construct a cinquefoilhaving tangential…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
