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 399
ual to the square GB; and that the parallelo-gram CL is equal to the square HC. The angle CBB is aright angle, and the angle A BFis aright angle ; add to eachof these the angle ABC; then the angle FB C will evidentlybe equal {Art. 336) to the angle ABB; the triangle FB Cand the square G B, being… … Fig. 262. base, B D, and between the same parallels, B D and A L, theparallelogram BL is equal to twice the triangle ABD;the triangles, FB C and ABD, being equal to one another{Art. 337), the square GB is equal to the parallelogram B L,either being equal to twice the triangle FB C ox A BD.…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
