Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 110
a straight line. Familiar MECHANICAL DRAFTING 87 examples of this kind of intersection are to befound on every hand. The edge of a box is theline of intersection of two adjoining sides, whichare planes; the ridgepole of a pitch roof is theline of intersection of the two sides of the roof;and so on… … rig. 61. Triangular Pyramid Intersected by a Plane. Let X represent a plane seen edgewise.Then X is parallel to the H plane, and perpen- 88 MECHANICAL DRAFTING dicular to V. This plane cutting the pyramidwill intersect all of the inclined faces, givingthereby three lines of intersection. The…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · 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-131-359.webp)
