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 92
, therefore, to know the least quantity of material thatwill suffice for strength. Not the least common fault inframing is that of using an excess of material. Economy, atleast, would seem to require that this evil be abated. Before proceeding to consider the principles upon whicha system of… … INTERIOR OF THE CATIIJ:DRAL. SIENNA. DIRI-XT AND OBLIQUE SUPPORTS. 57 71.—I^a\v§ of Pressure.—(i.) A heavy body always ex-erts a pressure equal to its own weight in a vertical direc-tion. Example: Suppose an iron ball weighing loo lbs. besupported upon the top of a perpendicular post {Fig.…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
