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
wer side of a c, equalto d 0, e 1, &c., on the upper side; trace a curve through thepoints, 0, 1, 2, 3, 4, c, on each side o{ d 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,o{ theboard of a size… … 311.— Tojiiid the ciirve of the hoards when laid in horizon-tal cottrses. Let ABC, {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, Sec.;through 1 and 2, draw a line to meet the axis extended at a…
Carpentry · Architecture
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-340-231.webp)
