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Scientific American, Vol. 26, No. 11 (1872) (1872)

leaf 4

An illustration from Scientific American, Vol. 26, No. 11 (1872), 1872, leaf 4
atinum black, after the chloride is takea out, with a fall of rain, then freezing, and snow again. Forty pounds solution of caustic potash or soda and subsequently wash- In reading your number of February 17, in regard to the per foot is considered a maximum load under the most un- ing with… … cold water and take it out clean and white. As he uses the of a vaulted gallery had been pushed outwards by the weight The column was four inches in diameter, and, say, one inch butter from day to day, with a sharp knife he cuts it off from of the superinc:mbent masonry, and it was feared the whole…

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