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 266
idge where intermediate supports,as piles driven into the bed of the river, are practicable. Itstimbers are so distributed as to sustain the weight of thearch-stones as they are being laid, without destroying theoriginal form of the centre ; and also to prevent its destruc-tion or settlement,… … the sides. To remedy this evil, some have loaded the crownwith heavy stones; but a centre properly constructed willneed no such precaution. i Experiments have shown that an arch-stone does not pressupon the centring until its bed is inclined to the horizon atan angle of from 30 to 45 degrees,…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
