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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 33

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 33
3° PRACTICAL USES OF … Fig. ioa. Enlarged DiagonalScale hundredths of an inch. The line ab is here an inch long, and isdivided into tenequal parts; the linecd being also divi-ded into ten equalparts, and diagonallines are then drawnconnecting thepoints as shown inthe diagram. Sup-pose we wish to take off tVtt of an inch,…

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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