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 384
Fic. 242. PROPORTION OF CORNICES. 341 parallel to db\ then the distance b i is the projection of acornice for a building 10 feet high ; b 2, the projection at 20feet high ; b 3, the projection at 30 feet, etc. If the projec-tion of a cornice for a building 34 feet high is required,divide the arc… … from the fourth point from 30 draw a line to the base, b c,parallel with b d\ then the distance of the point at whichthat line cuts the base from b will be the projection re-quired. So proceed for a cornice of any height within 70feet. The above is based on the supposition that 36 inches
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
