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 148
Fig. 89 illustrates laying off a stair, and needsno further explana-tion, as the methodappears in a previouspage. Fig. 90 is an illus-tration of a good method of cutting bridging. If the joists are 8inches wide and 16inches centers,there will be 14inches between.Place the square … Fig. 90 on 8 and 14, and cut on 8, and you have it. Theonly point to observe is that 8 is on the lower sideof the piece of bridging while the 14 is on theupper, and not both on same side of timber, asin nearly all work. Fig. 91 shows how tofind center of circle withthe square. I think…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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