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 632
m, the curve can be made quitecorrect. This method is mostly used in tracing face-mouldsfor stair hand-railing. 55(.—To Describe an Ellipsis by Intersection of Lines. ■Let ab and cd {Fig. 408) be given axes. Through c, draw ELLIPSE BY INTERSECTION OF LINES. 589 fg parallel X.o ab\ from a and b draw… … intersecting those drawn to c; then a curve, traced throughthe points i, i, i, will be that of an ellipsis. Where neither trammel nor string is at hand, this, per-haps, is the most ready method of drawing an ellipsis. Thedivisions should be small, where accuracy is desirable. Bythis method an…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
