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 218
bsof a door or window be placed at right angles to the face of thewall, the edges of the soffif, or surface of the head, would bestraight, and its length be found by getting the stretch-out of the DOORS, WINDOWS, tC. 201 circle, (Art. 92 ;)but, when the jambs are placed obliquely to theface of the… … Fig. 252. 354.— To find the form of the soffit for circular window-heads, when the light is received in an oblique direction. Letabed, (Fig. 252,) be the ground-plan of a given window, ande/a, a vertical section taken at right angles to the face of the jambs.From a, through e, draw a g, at right…
Carpentry · Architecture
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