Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 412
Joint Step Step f The same method, for finding the major and joci for the outsidecurve, is shown in the diagram. The line drawn from b on the outsideof the joint at n, to w, is the semi-major for the outside curve; and the … Riser Fig. 132. Arrangement of Risers around Quarter-Turn Giv-iug Tangents Equal Pitch with Connecting Flight. points where the outside pins are shown on the major will be the joci.To draw the curves of the mould according to this method, which 335 72 STAIR-BUILDING fc\ 1 mv is a scientific one,…
Architecture · Building
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