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 406
Fig. 854. 514.—To find the shadow in a fireplace. From a and fc,(Fig. 354,) cast the rays, a c and b e, and from c, erect the per-pendicular, c e; from e, draw the horizontal line, e o, and join rand d; then c e, e o, and o d, will give the extent of the shadow. … Fig. 856. 515.—To find the shadow of a moulded window-lintel. Castrays from the projections, a, c, &;., in the plan, (Fig. 355,) andd, e, &c., in the elevation, anc draw the usual perpendiculars in-tersecting the rays at t, i, and i; these intersections connected 392 AMERICAN…
Carpentry · Architecture
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