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 301
Fig. 244 … 390.—-When the interior dome rises too high to admit of a leve, FRAMING. 287 tie-beam, the framing may be composed of a succession of ribsstanding upon a continuous circular curb of timber, as seen atFig. 244 and 245;—the latter being a plan and the former a sec-tion. This curb must be well…
Carpentry · Architecture
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