Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 255
OMETRY [XI, § 198 it is desired to reduce the supporting walb to four piers, it canbe done by substituting, in place of the walls, four arches,sprung between the piers, as shown in Fig. 220. So far as thedome is concerned, the shape is the same whether it is carriedon walls or on piers and arches.… … ■HALF nil looiue ur- FiQ. 220 the square base are equal. This construction leaves the spacesahc, etc., which are not covered by the dome, and the dome isnot supported by the base along the lines ac, etc. The necessarycoverings and supports are furnished by filling in these spacesin one of several…
Geometry, Descriptive
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.