The American house-carpenter; a treatise on the art of building, and the strength of materials (1873)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 377
will be the bevil for the upperordinates, upon which the face-mould is found as in Case 1. 481.—Elucidation of the foregoing method.—This methodof finding the face-moulds for the handrailing of winding stairs,being founded on principles which govern cylindric sections, maybe illustrated by the… … Fig. 816. in Fig. 317 obtuse, and in Fig. 318 acute. Upon the base, describe the semi-circle, b s c ; from the centre, *, draw i .?, at rightangles to b c ; from s, draw 5 x, at right angles to e d, and from idraw i A, at right angles to b c ; make i h equal to 5 x. and joinh and r ; then, h and #…
Carpentry · Architecture
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