Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 253
y centring, and cost inMadras less than one-third as much as iron stairs. It would seemas though this construction might be advantageously employed inthis country where spiral stairs are to be built in fireproof buildings.The dimensions of a typical Madras spiral stair are about as follows: I… … PLAN. Having determined the rise and num-ber of steps in the usual way, work is com-menced by building up solid two or threesteps, when the arch is then started by ordi-nary terrace bricks, 5x3x1 inch, in lime mor-tar (15 parts slaked lime to 1 of clean riversand). The bricks are put edgewise…
Building
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