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 53
LES We now enter into another phase of thesubject, namely, a discussion of the variousschemes and devices invented for the purposeof making the uses and applications of the steel 5° PRACTICAL USES OF square easy to understand. One of the best ofthese is known as The Key to the SteelSquare, by A. W.… … Fig. 28. Steel Square Key cuts, Figs. 28 and 29, and the directions for usingare given in the following: KEY TO THE STEEL SQUARE These directions are published in connectionwith the framing chart known by the above title.The chart consists of a dial plate 3^x3^ inchessquare, on either side of which…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
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