The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 50
is desired to describe a polygon of Y sides, and 20 inchesa side. The tabular radius is 1*1523824. This multiplied by20, the product, 23*04:764:8 is the required radius in inches. TheRules for the Reduction of Decimals, also in the Appendix,show how to change decimals to the fractions of a foot or… … Fig. 64. 99.—To consi/ruct a triangle whose sides shall he severallyequal to three given lines. Let«, h and <?, {Fig. 64,) be the givenlines. Draw the line, d e^ and make it equal to c ; upon e^ withh for radius, describe an arc at f; upon d^ with a for radius,describe an arc intersecting the…
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.