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 329
only will be needed, divide by 3000, and the quo-tient is 8, the square root of which is 2*82 inches. This israther large, therefore there had better be two rods. In thiscase the quotient, 24000, divided by 6000, equals 4, the squareroot of which is 2, the diameter required. The arch… … Fig. 280. 435.—The Bow-si/ring Girder^ as per Fig. 280, has little torecommend it, (see Art. 433,) yet because it has by some beenmuch used, it is well to show the rules that govern its strength,if only for the benefit of those who are willing to be governedby reason rather than precedent. To…
Carpentry · Architecture
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