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 573
equa-tion (199.) is appropriate. Thus— sin. B — sin. A -a This may be solved as shown in Art. 478. And, when the second angle is obtained, the third angleis found by subtracting the sum of the first and second an-gles from 180°. But to test the accuracy of the work, it is well to cojh-pute the… … articles are here presented in tabular form. The symbolsreferred to are those of Fig. 322. FORMULAE IN TABULAR FORM. 531 Right-Angled Triangles. Given. Required. Formula. a, b, a, c, b, c, b,a. c ^ Va+b\ b — V{c + a) {c — a). a = \/{c -^b){c- b). A,B, B, A. B= go -A.^ = 90 - B. B, a, b, b — a tan.…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
