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Scientific American, Vol. 27, No. 17 (October 1872) (1872)
leaf 7
und. This either a very smooth surface, mode, apart from its ex- or one ressmbllDg that of a pense as a fixture, has the granulous freestone but very disadvantage of being much harder, can be ob- available only at the point tained. The Scott's cement at which it is located, so and the selenitic… … © 1872 SCIENTIFIC AMERICAN, INCPatents · Iron · Plate · Scientific American · Tanned · Surface coated · Sulphuric acid · Horse power · Selenitic mortar · Sulphurous acid · Tanned leather · Leather tanned · Rack bars · Spiral spring
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