Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 371
Fig. 57. Geometrical Stairwith Seven Winders. … Fig. 58. Plan of Circular Stair and Layout of Wall Stringfor Same. several ways of doing this. In one, comparatively narrow pieces arecut to the required curve or to portions of it, and are fastened together,edge to edge, with glue and screws, until the necessary width isobtained (see Fig. 59). The…
Architecture · Building
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