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 48
ce ofa circle through three given points: Let A, B, C (Fig. 44) be the given points not in a straight line.Join AB and BC; bisect each of the straight linesAB and BC by perpendiculars meeting in D;then A, B and C are all equi-distant from D;therefore a circle described from D, with theradius DA,…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
