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 43
ygons can be inscribed in a circle, itmust necessarily follow, that if a circle be de-scribed through three given angles of the poly-gon, it will contain the number of sides or anglesrequired. The above is a general rule by which allregular polygons may be described upon a givenstraight Une; but… … A| 1 y^ ClA F 0 V^l \ D I \ i \\ \ \ \\ \ E / ./ / / /// 6-^._ ^..••ti riG.5Z riG.38. be the given straight line; from its extremity Berect Be perpendicular to AB, and equal to itshalf. Join Ac, and produce it till cd be equal toBe, or half of the given line AB. From A and Bas centers, with a…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
