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 86
om Q. 83. Horizontal projections of intradosal helical coursing joints.— In like manner, RAT, one of the parallels drawn throughpoints of equal division on CDX is the development of so much ofcoursing joint as lies on the given segment of the cylinder takento form the arch. Tr5 is, therefore, its… … STONE-CUTTING. 65 and the intersections of projecting lines from 1, 2, 3, etc.,with the parallels to Rrfi through the like numbers on Trs, willbe points R . . . R2, R3, etc. of the coursing helix RST. 84. Construction of horizontal projections of helices from theirdevelopments. — The above…
Stereotomy
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