Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 414
Fig. 135. Arrangement of Risers inStair with Obtuse-Angle Plan. Fig. 136. Arrangement of Risers in Obtuse-Angle Plan, Giving Equal Pitch over Tan-gents and Flights. Face-Mould Developed. the remaining lines shown in Fig. 120. The bevels areshown applied to the mould in Fig. 105, to give it the…
Architecture · Building
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