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 57
n the major axis construct the 46 PRACTICAL CARPENTRY parallelogram AEFC, and make its height equalto DB. Divide AE and EB each into the samenumber of equal parts, and number the divisionsfrom A and E, respectively; then join Al, 12,23, etc., and their intersections will give pointsthrough which… … centers, with the radius Fa, describe circleswhich intersect each other, and from the points ofintersection through f and g, draw the diametersCgE, CfD. From C as a center, with the radiusCD, describe the arc DF, which completes theBemi-elhpse. The other half of the ellipse may becompleted in the…
Architecture · Building
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