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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 147

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 147
atoctagon corner they are cut on 12 and 12, orsquare miter. If you should yish to miter a pentagon (5 sides) place the square on 9 and 12; cut on 9. Fig. 88 illustrates a \ i hexagon. To lay off from \ ! a square timber divide\ ... v two opposite sides into 1 four equal parts, and theother two… … Fig. 88 THE STEEL SQUARE US

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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