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 101
e orjacks against a hip half the thickness of pole orhip, squared back from their down bevels, mustbe taken off. Side bevels of these jacks are obtained byadding the distance from the dotted line to thecorner to the gain of a common rafter inrunning that distance; take this on the bladeand half the… … Fig. 56 viously made, must be referred to. The lengthof hips is found as usual fromrise and run, the run beinghalf the diagonal of the octa-gon. Cut the first pair fulllength to butt against eachother, the next pair are to beset up at right angles tothese, and each is to be cutshorter than the…
Carpenters' squares · Architecture, Domestic · Equerre de charpentier
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-114-305.webp)
