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 584
s;and proceed in hke manner in proportioning a drawing toany of the other divisions of the scale. An instrument inthe form of a semi-circle, called a protractor, and used forlaying down and measuring angles, is of much service tosurveyors, and occasionally to carpenters. 4-97.—The Use of tlie… … Fig. 325. to either side of the board, the set-square must be used.Let ab {Fig. 325) be a line, parallel to which it is desired todraw one or more lines. Place any edge, as cd, of the set-square even with said line ; then place the ruler gh againstone of the other sides, as ce, and hold it firmly ;…
Carpentry · Architecture · Building
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
