The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 302
Fig. 247. ot 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 g f, whichwill be the curve required for the rib, e g f. The other ribs arefound in the same manner. b 4 … Fig. 248. 396.— To find the shape of the covering for a sphericaldome. Let ,4, [Fig. 248,) be the plan and B the section of agiven dome. From «, draw a c, at right angles to a b ; find thestretch-out, {Aj^t. 92,) of o b, and make d c equal to it; divide thearc, 0 bj and the line, d c, each into a…
Carpentry · Architecture
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