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 281
0 to ■fj & = 3J >^ T C - ^Z. ~ V •c s en +-» VI J_ 0) o — O ^ C ,_ o — o - T3 1/1 r T (J r. <T. rt o C 1) rt ;; Ml (J - O £ * cfi … o - ■ — S o o o ii W (42 O m s b£ m a S2 s 0 o Z r/j <l> 4) <u •a -1 u< ~ u A o m a T3 c — 3 O 36
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
Internet Archive · Public Domain Mark 1.0. Free to use for anything.