Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 279
andEod for Setting Out Elliptical Arches. will give the points in the curve for onequarter of the figure. Kepeat the operationfor the other three quarters, then bend a thinflexible rod round the points obtained, anddraw the curve. It is interesting to notethat the granite arches of 50-ft. span… … Fig. 844.—Centre for a Stone Arch of 20-ft. Span Fig. 845.—View of Jointat A (Fig. 844). Another Method.—The second method ofsetting out an ellipse, illustrated by Eig.841, is probably the best yet devised ; it is LAGGING. 3*2
Carpentry · Joinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
