Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 68
ight angles to it. From A, withradius 0 A, cut the circle in B and C, and thetangent in the point F, using B as a center.Bisect the angle O at F, and produce the bisectingline until it cuts A G in H. From O, with radiusOH, cut the lines DC and EB in I and J. FromH, I and J, with radius HA, draw the… … Fig. 70. three equal circles in a circle, join their centers,thus forming an equilateral triangle. From thecenter of the surrounding circle draw radii pass-ing through the angles of the tiiangle and cuttingthe circle in points; as d and two others. Drawed and bisect it byeg; then the centersfor the…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
