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 375
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 following… … Fig. 316. ill Fig. 317 obtuse, and in Fig. 318 acute. Upon the base, de-scribe the semi-circle, h s c ; from the centre, i, draw i 5, at rightangles to 6 c ; from 5, draw 5 x^ at right angles to e c?, and from idraw i A, at right angles ioh c ; make i h equal to s x, and joinh and a:; then, h and x…
Carpentry · Architecture
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