Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 77
g tangential arcs, and thosehaving adjacent diameters. Problem 78 is an illustration of the former kind. The arcssimply touch, and if produced would not intersect each other.The angles of the polygon are the centres of the circles con-tainiug the arcs. Problem 79 is an illustration of the latter… … Fiff. 133. Problem 78. To construct a foiled figure about anyregidar polygon, having tangentialarcs. For example, a hexagon. THE HEXAFOIL. Bisect one side AB in C (Prob.1). With each of the angular pointsas centres, and AC as radius, drawthe six arcs, as required. FOILED FIGURES 57 Problem 79. To…
Geometrical drawing
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