The American house carpenter. A treatise on the art of building. Comprising styles of architecture, strength of materials, and the theory and practice of the construction of floors, framed girders, roof trusses, rolled-iron beams, tubular-iron girders, cast-iron girders, stairs, doors, windows, mouldings, and cornices; together with a compend of mathematics. A manual for the practical use of architects, carpenters, stair-builders, and others (1880)
Hatfield, R. G. (Robert Griffith), 1815-1879, Hatfield, O. P., ed · New York, J. Wiley & sons · leaf 650
Fio. 439. and /cast the rays di and fh ; from /, through //, draw is;then i- i and ig will define the shadow. 677._To Find llie Shadow in a Fireplace.—From a andb {Fig, 439) cast the rays a e and b e, and from c erect the … lllllllll!ll(llJ,||[fmilinL|l!H!TJ Fig. 440. perpendicular ^^; from ^ draw the horizontal line eo, andjoin 0 and ^; then cr, r^, and od will give the extent of theshadow. 6o6 SHADOWS. 578.—To Find tfiae l^liado^v of a IVIouBdcd Window-L.iii- tcl.—Cast rays from the projections a, o, etc., in the…
Carpentry · Architecture · Building
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