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 230
roving their correctness. The secrets of the octagon, or in fact of allworkable polygons, are perhaps better exposedto the light of day in Woods Key to the SteelSquare, than it is possible to show in thesepages under the conditions to which ordinarybook-making is limited. However, I deem itjust to… … Fig. 170 228 PRACTICAL USES OF elevation of an octagon roof showing the runsof the common and hip rafters as exhibited inFig. 170, be the ground work of this problem.The runs are reckoned from the outer edge ofthe plates to the center, as GO for the commonrafter and OF for the hip, but since all of…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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