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 202
Fig. 50. Let the lines in Fig. 50 represent, in direction andamount, four converging forces in equilibrium in any frame,as, for example, the truss of a roof; let the lines in Fig. 51be drawn parallel to those in Fig. 50, in the manner fol-lowing, namely : Let the line A B be drawn parallel with…
Carpentry · Architecture · Building
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