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 48
rdened bevel bladewith ends ground to angles of 300 and 450 isfurnished when desired. This can be inserted inthe mortise made in the stock to receive theblades, which, of course, must be removed tomake room for the beveled blade. These tools are manufactured by the SawyerTool Manufacturing Company,… … Fig. 25. Combination Square, Miter and Inclinometer shown at Fig. 25. This square has a blade 24inches long, accurately divided in fine grades, 46 PRACTICAL USES OF and has a slot running its whole length—notshown in the cut, as the reverse side confrontsus—in which the attachments slide.…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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