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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 50

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 50
atest of care, the adjustments being asnear perfect as possible, and the protractor,under test, is all that can be desired. Another series of squares made on similarlines, possessing the same qualifications, work-manship and materials, is manufactured by theL. S. Starrett Company, Athol, Mass., a… … perfection of their tools.At Fig. 26 I show anillustration of their car-penters square, whichhas a movable stock, and may be had with 48 PRACTICAL USES OP blades 24 inches long. The stock can be movedor slid along the blade to any point, and oneside may be used as a square and the other as amiter…

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

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