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 280
pon an inclinedloaU. Cast the ray, a b, {Fig. 319,) from the end of the shelf tothe face of the wall, and from b, draw b c, parallel to the shelf;cast the ray, d e, from the end of the shelf; then the lines, d eand e c, will define the shadow. These examples might be multiplied, but enough has… … 264 AMERICAN IiaUSE-CARPENTER. 418.— To find the shadow of a projecting horizontal becmi.From the points, a, a, 6cc., (Fig. 320,) cast rays upon the wall ,the intersections, e, e, e, of those rays with the perpendicularsdrawn from the plan, will define the shadow. If the beam be in-clined, eitlier…
Carpentry · Architecture
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