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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 156

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 156
y thesquare first lay it on 12 anis quarter-pitch, andgives plumb-cut. From fplumb-cut lay off pitchof main roof 10^ and12^, which gives cut. Anyone that hasstudied this with a determination will have no trouble in framing any ordinary roof, as thegeneral principles apply to all roofs, pitches,… … 154 PRACTICAL USES OF MISCELLANEOUS RULES To make an ellipse for a three-foot opening, one foot high, drive a brad in a lath i foot from end, which gives height; another 18 inches from end, which gives one-half width; apply as illus-

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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