Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 190
in the run; thusthe point P is determined. A little study of the figureswill suffice to reveal to anyonethe reason for this method ofprocedure. Every time the squareis moved into a new position it has advanced 12 inches or 1 foot alongthe run of the rafter, since the distance D E is 12 inches and… … Fig. 195. Fitting a Rafter against RidgeBoard
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
