Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 69
ameters. Find centre of circle A (Prob. 32). Draw the diameter BC, and FOILED FIGURES. 55 the radius AD perpendicular to it (Prob. 5). Trisect the angleBAD in E and F (Prob. 13). Set off DG equal to DF.Join FA and GA by linesproduced to L and H. JoinEG by a line cutting FL inM. With A as centre,… … 82. In a given square ABDC, to inscribe four semicircles havingadjacent diameters. The Quatrefoil.—Draw thediagonals AD and CB.Bisect each side of the squarein the points E, F, G, andH, and join EF and GH.Bisect HD in K and FB inL, and join KL, cutting GHin N. With P as centre, andPN as radius,…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.