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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 253

An illustration from 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, leaf 253
will be the bevil for the upperordinates, upon which the face-mould is found as in Case 1. 388.—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. 285. in Fig. 286 obtuse, and in Fig. 287 acute. Upon the base, de-scribe the semi-circle, h s c ; from the centre, i, draw i s, at rightangles to 6 c ; from 5, draw 5 x, at right angles to e d, and from i,draw i h, at right angles to b c ; make i h equal to 5 x, and joinh and x; then, h and x…

Carpentry · Architecture

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