Inside Out Library · Explore

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 233

An illustration from 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, leaf 233
Fig. 172 crossing at 5 on the blade forms an angle which … Fig. 173 THE STEEL SQUARE 231 is the same as that formed by the runs of thecommon and hip rafters of an octagon roof andbase of which is represented in Fig. 173. We also find that this line diverges from thetongue 5 inches in a i-foot run. Hence the sideof an octagon 1 foot in diameter must be…

Carpenters' squares · Architecture, Domestic · Equerre de charpentier

Internet Archive · Public Domain Mark 1.0. Free to use for anything.

More pictures from 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

More like this