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 249
at least two spaces, the joints alternating onthe trusses ; and likewise the jack-rafters laid on the purlinsin long lengths. 231.—Five Examples of Roof^: are shown at Figs. 85, 86,87, 88, and 89. In Fig. 85, a is an iron suspension-rod, b, b are braces. In Fig. 86, a, a, andb are iron rods, and d,…
Carpentry · Architecture · Building
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