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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 159

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 159
withstraightest edge towardyou. Taking the square at12 inches on blade and 12inches on the tongue, layit on the stick, making amark along the edge at the12-inch mark on the square.Lay it on along the stickfour times, which will giveyou the exact length be-tween shoulders. The ten-ons must be added.… … THE STEEL SQUARE i57

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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