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 65
ss than one of the equalspaces.) Then, with the same setting of thedividers, begin at C, and lay off the same num-ber of equal spaces as far as X. Measure inthe dividers the distance XB, and lay it off fromX to B. Then the length CB is practicallyequal to AB. The curve, which may or maynot be the… … § P M m 02 O oo H02 W ^ 44 MECHANICAL DRAFTING 45 Again, suppose the circumference of a circleis to be divided into perhaps eleven equal parts.This is most readily and accurately done bytrial, using the hair-spring dividers. Assumefirst some radius, lay this around the circum-ference; and if the…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
