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Scientific American, Vol. 100, No. 23 (June 1909) (1909)

leaf 3

An illustration from Scientific American, Vol. 100, No. 23 (June 1909), 1909, leaf 3
obable that the bursting borundum. A few tons are made annually in Savoy Bismuth. In Becker's process a solution of bismuth of the second was caused by the flying parts of the and there , is a third factory in Bohemia. For or its compounds in ferric sulphate or ferric chloride first. Although the… … is in operation at Wilmington near Chester. tions. A 45-foot iron ladder, which had been .Forty-five-foot iron ladder wrapped around tree by the At present only two factories are using fastened to the side of one tank, was rush of water. the dry processes, the Canada Zinc Company wrapped around the…

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