Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 170
be, lines are drawn from theobtuse angles/and e, to the centers of the opposite sides. The intersections of these lines give j)oints g and /?, whichserve as centers for the ends of the ellipse. With center g andradius g «, the arc a d vs, drawn; and with,/ as center and radiusf d^ the arc ^ <?… … Notice that the shade line on the top begins and ends whereT-square lines would be tangent to the curve, and similarly in thecase of the part shown on the base. The explanation of the shad-?is very similar to that in pro-jections. Given in projectionsa cylinder standing .on itsbase, the plan is a…
Architecture · Building · Carpentry
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