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 342
mbs of a door or window be placed at right angles to theface of the wall, the edges of the soffit, or surface of the head,would be straight, and its length be found by getting the DOORS, WINDOWS, AC. 327 stretch-out of the circle, (An. 92;) but, when the jaubs areplaced obliquely to the face of the… … Fig. 283. 447.—To find the form of the soffit for circular windowheads, when the light is received in an oblique direction. Letabed, (Fig: 283,) 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 ag, at right…
Carpentry · Architecture
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