Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 177
N2, A73, etc. Linesdrawn through N1M1, N2M2, etc., will then be normal to the curveand give the joints desired. … thirty/ N7 N6 N3 N4 No N2 Ni 199. Flat Arches. —Shallow flat arches of stone, although some-times pleasing to the eye, are very objectionable constructional]}-. Ifa flat arch must be used, to be self-supporting it should be of suchheight that a segmental arch of proper size can be drawn on its…
Building
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