Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 377
Fig. 74. Plan of Stair with Acute-AngleLanding and Cylinder. Fig. 75. Plan of Stair with Obtuse-AngleLanding and Cylinder. 306 STAIR-BUILDING 43 _ J L^J
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
