The American house carpenter: a treatise upon architecture, cornices and mouldings, framing, doors, windows and stairs. Together with the most important principles of practical geometry (1852)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 236
ders. WINDING STAIRS. 376.—Winding stairs have steps tapering narrower at one endthan at the other. In some stairs, there are steps of parallel widthincorporated with tapering steps ; the former are then called^yer*and the latter tiinders. 377.— To describe a regular geometrical winding stairs.In… … Fig. 272. a e, is given as the face of the first riser, and the point, j^ for thelimit of the last. Make e i equal to 18 inches, and upon o, with0 i for radius, describe the arc, ij; obtain the number of risersand of treads required to ascend to the floor at j, according to Art.361, and divide the…
Carpentry · Architecture
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