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
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… … 58 PKACTICAL CARPENTRY they meet are called cusps. The completion ofthis study is shown in Fig. 71. Fig. 72 is the elementary form of the traceryshown in Fig. 73. Fig. 74 shows the elementary construction ofFig. 75. Draw two diameters (Fig. 74) at right
Architecture · Building
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