Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 379
Fig. 83. Plan and Eleva-tion of Stairs Turningaround a CentralPost. Fig. 82. Geometrical Stair withWinders all Around Cylinder. is called the bevel, and by its usethe wreath is made to twist. In Fig. 84 is shown an obtuse-angle plan; in Fig. 85, an acute-angleplan; and in Fig. 86, a semicircle…
Architecture · Building
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