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 395
this being the case, take D and F from the triangle KLM,and C diud E from the triangle jf KL, and what remains inone must be equal to what remains in the other; therefore,the parallelogram A is equal to the parallelogram B. 34(,—Proposition.—Parallelograms standing upon thesame base and between the… … Fig. 257. standing upon the same base, CD^ and between the sameparallels, A F and CD. Then A B and EF, being equal toCD, are equal to one another; BE being added to bothA B and EF, A E equals BE] the line A C being equal toB D, and A E to B F, and the angle C A E being equal {Art.331) to the angle…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
