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 221
itch, the angles at / and h beingequal as before. The lines can be obtained withthe square as follows; the tongue of squarerepresent the side of the rafter—the blade forthe base and the straight-edge the top of therafter. Another method of backing a hip rafteris shown at Fig. 164. First lay off… … Fig. 164 rafter, and GF is the amount to be taken off inorder to make the proper backing, working, ofcourse, to the center of the hip. This is on the THE STEEL SQUARE 219 supposition that the seat of the hip is at anangle of 45 degrees with the side of the building.For octagonal or other such roofs…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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