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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 196

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 196
Fig. 143 Fig. 143 illustrates side cut of the jack, 12 onthe tongue, and 15 (length of the commonrafter) on the blade. … Fig. 144 Fig. 144 illustrates side cut of the octagonjack, 5 on the tongue and 15 on the blade. i94 PRACTICAL USES OF Fig. 145 illustrates the side cut of the hip orvalley, 17 on tongue, 19X (length of the hip) onthe blade giving the cut in each case.

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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