Stereotomy : Problems in stone cutting. In four classes. I. Plane-sided structures. II. Structures containing developable surfaces. III. Structrues containing warped surfaces. IV. Structures containing double-curved surfaces. For students of engineering and architecture (1875)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York : J. Wiley and son · leaf 162
oint, &i,of the same semicircle. The coursing joints thus generated are not quite normalto the double-curved arch surface, but are nearly enough so. To be perfectly so,they should be generated by normals to that intrados, that is, by lines, not onlyperpendicular to the tangents to the… … , 6a i i v, ■ 10 Q I GA ]
Stereotomy
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