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 405
Fig. 862. 512.—To Jind the shadow in a recess. From the point, a,(Fig. 352,) in the plan, and b in the elevation, draw th • rays, a cand b e; from c, erect the perpendicular, c e, and fn,ni e, drawthe horizontal line, e d; then the lines, c e and e d, will show theextent of the shadow. This applies… … Fig. 858. 513.—To find the shadow in a recess, when the face of thewall is inclined, and the back of the recess is vertical. In Fig.353, A shows the section and B the deration of a recess of this SHADOWS. 391 kind. From b, and from any other point in the line, b a as adraw the rays, b c and a e;…
Carpentry · Architecture
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