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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 146

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 146
THE STEEL SQUARE U3 If the brace runs 3 feet each way, or 36 inches, you will find the length is 50.91 inches. But I dont use the brace m easur ements very much, as I prefer to apply square as in Fig. 85. If the brace runs 3 feet apply the square on 1 foot three times, Fig. 85 etc. The figures on…

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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