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Scientific American, Vol. 37, No. 21 (November 1877) (1877)

leaf 8

An illustration from Scientific American, Vol. 37, No. 21 (November 1877), 1877, leaf 8
ofessor Gintl recom- contain a covered gallery 42 feet wide, and in front an open the planet Mars has been ascribed to this same agency, it be- mends the following method of preparing an ink which has ing suggested that red sandstone has resisted the denudation promenade about 18 feet wide, the… … THE FRENCH EXPOSITION BUILDING FOE 1878. wood extract is treated with 1 per cent of alum, and then The rock represented color to the general planetary surface. colonnades surround the Central Hall on its Trocadero with as much lime water, so that a permanent precipitate the " Pain de From- in our…

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