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 249
Fig 224. the floor, as seen at Fig, 224. Occasionally floors are con- … Fig. 225. structed double, as at Fig. 225 ; and sometimes framed, as at FRAMESTG. 237
Carpentry · Architecture
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