The American house-carpenter; a treatise upon architecture, cornices and mouldings, framing, doors, windows, and stairs. Together with the most important principles of practical geometry (1852)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 191
side of.« c, equalto d o, e 1, &c., on the upper side ; trace a curve through thepoints, o, I, 2, 3, 4, c, on each side of c? c ; then o c o will bethe proper shape for the board. By dividing the circumference ofthe base, A, into equal parts, and making the bottom, o d o, of theboard of a size… … 311.— To find the curve of the boards when laid in horizon-tal courses. Let A B C, (Fig: 223,) be the section of a givendome, and D B its axis. Divide B C into as many parts asthere are to be courses of boards, in the points, 1, 2, 3, &c.;through 1 and 2, draw a line to meet the axis extended…
Carpentry · Architecture
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