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
Fig. 45. Fig. 46.. circle, to be divided into five equal parts. Drawthe radius AD, and divide it into the same num-ber of parts as those required in the circle; andupon the radius thus divided, describe a semi-circle; then from each point of division on AD,erect perpendiculars to meet the…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
