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 281
Fig. 321. 419.—To find the shadow in a recess. From the point, a,(Fig. 321,) in the plan, and b in the elevation, draw the rays, a cand b e; from c, erect the perpendicular, c e, and from e, drawthe horizontal line, e d; then the lines, c e and e d, will show theextent of the shadow. This applies… … 420.—To find the shadow in a recess, when the face of thewall is inclined, and the back of the recess is vertical. In Fig.322, A shows the section and B the elevation of a recess of this SHADOWS. 265 kind. From b, and from any other point in the line, b a, as a,draw the rays, b c and a e; from c,…
Carpentry · Architecture
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