Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 394
made square to tangent a; and the joint at 5, to tangent b. In Fig. 102 is presented an example of a few steps at the bottomof a stairway in which the tangents of the plan form an obtuse anglewith each other. The curve of thecentral line of the rail in this casewill be less than a quadrant, and,as… … Fig. 107. Finding Bevfil, Bot-tom Tangent Inclined, TopOne Level.
Architecture · Building
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