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 224
Fig. 165 THE STEEL SQUARE 221 at an angle of 450 with the eaves. Suppose theroof to be one-third pitch, or, in other words, tohave 8 inches rise to the foot; then take 8 incheson the tongue of the square and 12 inches onthe blade, and apply to the rafter as shown in … 1 fMk!2 P 1,4ltFIB 17 10 1 & 20 2) 22 23 J 1—LN^.I 1 I U<J I I I I i
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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