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 343
lines tomeet corresponding perpendiculars from eg; then those pointsof intersection will give the curve line, d g, which will be theone required for the edge of the soffit. The other edge, c h, isfound in the same manner. 448.— To find the form of the soffit for circular window-heads, when the face… … Fig. 284. Proceed as in the foregoing article to obtain the line, d g; theuthat will be the curve required for the edge of the soffit; theother edge being found in the same manner. If the given vertical section be taken in a line with the face ofthe wall, instead of at right angles to the face of…
Carpentry · Architecture
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