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Scientific American, Vol. 53, No. 7 (1885) (1885)

leaf 5

An illustration from Scientific American, Vol. 53, No. 7 (1885), 1885, leaf 5
uard comes down, and may be pressed under the worst material when the medium is red glass; and one can hardly recognize it as the best when blue glass for freight is sufficient adhesion, with good steaming the mattress out of sight, when the posts may be lifted out of the castings; or the whole… … The Brazilian Navy. used as a medium. Brazil possesses at the present time five ironclads. 2. That the optical sensitizers shall themselves be The Riachuelo was built in 1883 by Messrs. Samuda. used as the printing colors; or, if this be not practica- She is 5,800 tons, built of steel, and has…

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