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 306
Fig. 252. 400.—Fig. 253 exhibits a wooden bridge without a tie-beam.Where staunch buttresses can be obtained, this method may berecommended; but if there is any doubt of their stability, it FRAMING. 293 … Fig. 253. should not be attempted, as it is evident that such a system olframing is capable of a tremendous lateral thrust.
Carpentry · Architecture
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