Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 430
Method of Laying Out Common Rafters of a %-Pitch Roof. the square for run will be 17 inches; and for the rise, whatever the roofrises to the foot of run. It should also be remembered that this is thecondition in all roofs of equal pitch, where the angle of the hip orvalley is a 45-degree angle, or,… … Top cut for i3ft.6in.Tup of hip^
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
