Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 376
Fig. 68. Under Side of Half-Space Stair, withCarriages and Cross-Carriages. 304 STAIR-BUILDING 41 … Fig. 69. Method of Reinforcing Stair. the foregoing figures; and there may be cases when it will be necessaryto use iron bolts in the sides of the rough strings in order to give themgreater strength. This necessity, however, will arise only in the case of stairs built in public buildings,churches,…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
