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 218
g its several lines parallelwith the lines oi Fig. 70, as indicated by the letters (see Art.205), commencing with GF, the load on the support G {Fig.70). Draw from F and G the two lines FA and G A paral-lel with these lines in Fig. yo. Their point of intersectiondefines the point A. From this the… … Fig. 70. 207.—Force Diagrram for Truss in Fig 61.—For this trusswe have, in Fig. 72, a similar design, properly prepared byweights and lettering; and in Fig. 73 the force diagram ap-propriate to it. In the construction of this diagram, proceed as directedin the previous example, by first…
Carpentry · Architecture · Building
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