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 h in the elevation, draw the ra3S, a cand h 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 tlieextent of the shadow. This applies… … FiL. 32^. 420.— To find the shadow in a recess, when the face of thewall is inclined, and the hack of the recess is vertical. In Fig322, A shows the section and B the elevation of a recess of this SHADOWS. 265 kind. From h, and from any other point in the Hne, h a, as a,draw the rays, h c and a e;…
Carpentry · Architecture
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