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 22
mentalthan useful, and not gradinghigh in either. Combination tools of this sort,while well enough for amateurs, generally cut apoor figure in the hands of expert workmen. Ireproduce the claims made by the inventor ofthis tool so that the reader may have some ideaof its capacity. 1. A level frame… … Fig. 7. CombinationSquare and Level 2o INTRODUCTION said members, and the edge opening e formedin the edge of said frame perpendicular to saidside, in combination with leveling glasses inclosedlongitudinally in said members and exposedthrough said openings, substantially as set forth. 2. The…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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