A practical treatise on the steel square and its application to everyday use : being an exhaustive collection of steel square problems and solutions, "old and new", with many original and useful additions, forming a complete encyclopedia of steel square knowledge, together with a brief history of the square, and description of tables, keys and other aids and attachments (1903)
Hodgson, Fred. T. (Frederick Thomas), 1836-1919 · Riverside, Ill. : Radford Architectural Co. · leaf 206
by the word pitch when referringto roof work. In many cases which I have metthe phrase does not seem to be properly under-stood. Perhaps the following sketch, Fig. 151,and the description may aid somewhat in sim-plifying the matter. Let us suppose we wish toraise a roof and make it exactly a… … ■i-|M|i|M;ii|i|M|TlTlT|TlTlTl uritii»iei9ixieieica>gf«f>, 1,1,i,l, 1,1,1,1,1,1.■,l,l,l,i.1.1,1.1,1,1,1.1 Fig. 151 placing the square as shown, we find that third-pitch, or a hexagon mitre, is 7 inches to the foot,instead of 8 inches, as some suppose. Dividethe arc in four equal parts, as…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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