The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 393
the points at which these ordinates meetthe line, Ij, and upon the centre, o, describe arcs in continuation tomeet op; from n, t, x, &c., draw n s, t u, &c,, parallel to f g;make n s, t u, &cc., equal to e f iv v, &;c.; make x y, &c., equalto z dj &c.; make o 2, o 3,… … 498.—To find the true position of a butt joint for the twists ofa moulded rail over platform stairs. Obtain the shape of themould according to Art. 466, and make the line a b, Fig. 334,equal to a c. Fig. 300 ; from b, draw b c, at right angles to a 6,and equal in length to n m, Fig. 300 ; join a…
Carpentry · Architecture
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