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 250
the upper end ofeach. A truss of this construc-tion needs, for ordinary roofs,no diagonal braces between thesuspending pieces, but if extrastrength is required the bracesmay be added. The best placefor the suspending pieces is atthe joints of the rib. A rib of this kind will be sufficientlystrong… … 214 CONSTRUCTION. 232.—Roof-Truss witli Elevated Tie-Beam.—Designssuch as are shown in Fig. 91 have the tie elevated for the ac-commodation of an arch in the ceiUng. This and all similardesigns are seriously objectionable, and should always be
Carpentry · Architecture · Building
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