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 297
ed. The best placefor the suspending pieces is at thejoints of the rib. A rib of thiskind will be sufficiently strong,if the area of its section containabout one-fourth more timber,than is required for that of a raf-ter for a roof of the same size.The proportion of the depth tothe thickness should… … FRAMING. 283 riously objectionable, and should always be avoided ; as thesmall height gained by the omission of the tie-beam can never
Carpentry · Architecture
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