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

leaf 8

An illustration from Scientific American, Vol. 37, No. 21 (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 promenade about 18 feet wide, the roof of which is carried ing suggested that red sandstone has… … wood extract is treated with 1 per cent of alum, and then color to the general planetary surface. The rock represented colonnades surround the Central Hall on its Trocadéro with as much lime water, so that a permanent precipitate in our illustration is locally known as the ‘Pain de From- front, and…

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