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 217
ual to half thewidth EB; thenthe angle BCDwill be a right an-gle. Draw anyline,as AC, at rightangles to DB fromD. Set off theheight of the roof,as DF and drawFB, which will bethe length of thehip rafter. Putone foot of thecompasses in the center of the line AC, andwith the other describe a… … Fig. 161 THE STEEL SQUARE 215 the line DB, draw TA and TC, which will givethe form of the backing of the hip rafter. To find the length of the jack rafters andtheir bevels to fit the hip rafter, make the hipQX and ZY equal to the hip line BF, and squareup the jack rafters, as seen in the plan,…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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