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Scientific American, Vol. 42, No. 22 (1880) (1880)

leaf 4

An illustration from Scientific American, Vol. 42, No. 22 (1880), 1880, leaf 4
RATING COVER. A telescope of four inches aperture will show that Uranus known means. The aniline ink, found to give the best re- The annexed engraving represents an improved refrige- has a pale greenish-white disk; it appears like a very small sults for written documents, is prepared by preference… … the effects produced upon the bluffs which contain the gravel which can be used like ordinary copying books made of deposits. It is, indeed, somewhat singular, the Union con- tissue paper, and copies on ordinary paper may be taken tinues, that the hydraulic monitor has never been used in from the…

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