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 219
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. 355.— To find the form of the soffit for circular window-heads, when the face of… … Fig. 233. c Proceed as in the foregoing article to obtain the line, d g ; thenthat 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…
Carpentry · Architecture
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