A treatise on the construction of staircases and handrails ... Preceded by some necessary problems in practical geometry; with the sections and coverings of prismatic solids (1820)
Nicholson, Peter, 1765-1844 · London, J. Taylor · leaf 88
e g e to t, and Jcf to u; bisect a b at s, and through sdraw i u parallel to a c or 6 d; from gt cut off t w; and from u k cut off ux, each equalto ge orfk; and describe the touching curvesgzs and *y x, andgwzsy xk will bethe line of the rail. The breadth of the falling mould in common cases is… … Fiy.l.
Stair building · Hand-railing
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