Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 421
Fig. 9. Use of Square to Find Miter ofHexagon. 346 THE STEEL SQUARE for a pentagon, which makes a 36-degree angle with the plate, thefioure to be usedon the square forrun is 14| inches;for a hexagon,which makes a30-clegree anglewith the plate,the figure will be13| inches; andfor an octagon,which… … Fig. 10. Diagram for Finding Pitches of Various Degreesby Means of the Steel Square. rafters, will be 13 inches. It will be observed that the height in each case is 9 inches. Fig. 13 illustrates amethod of finding therelative height of a hipor valley per foot run tothat of the common raf-ter. The…
Architecture · Building · Carpentry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
