The American house-carpenter; a treatise on the art of building, and the strength of materials (1873)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 304
Fig. 247. 01 one of the ribs. Then take e/for the transverse axis anatwice the rise, o g, of the dome for the conjugate, and describe(according to Art. 115, 116, &c.,) the semi-ellipse, e gf, whichwill be the curve required for the rib, e g f. The other ribs arefound in the same manner. … Fig. 248. 396.— To find the shape of the covering for a sphericaldome. Let A, (Fig. 248,) be the plan and B the section of agiven dome. From a, draw a c, at right angles to a b ; find thestretch-out, (Art. 92,) of o &, and make d c equal to it; divide thearc, o b, and the line, d c, each into a…
Carpentry · Architecture
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