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 251
he face-moulds. The moulds for the twistsof this stairs may be obtained as at Art. 380 ; but, as the faUing-mould in its course departs considerably from a straight line, itwould, according to that method, require a very thick plank forthe rail, and consequently cause a great waste of stuiF. In… … Fig, 284. o Case 1.— When the middle height is above a line joiningthe other two. Having found at Fig. 283 the direction of thejoint, w s^ and p e, according to Art. 380, make k p e a^ {Fig.284,) equal to W p^ e p in Fig. 283 ; join h and c, and from o,draw 0 A, at right angles to b c ; obtain the…
Carpentry · Architecture
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