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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 160

An illustration from 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, leaf 160
THE STEEL SQUARE i57 … a square of 4-foot rise and run. All square runbraces may be made in same manner. For3-foot run lay on three times, 5-foot run fivetimes, 6-foot run six times, and so on. In Fig. 115 the method of finding length ofbrace with 4-footrun and 6-foot riseis illustrated. Youwill notice thesquare is laid…

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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