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Scientific American, Vol. 14, No. 25 (1866) (1866)

leaf 9

An illustration from Scientific American, Vol. 14, No. 25 (1866), 1866, leaf 9
lead and the carbonate of potash after their union or combina 55,236.—Sarm.—Hiram Brown, Cape Elizabeth, tion, either by the use of hot steam or by the application of other heat, to aid in the production of the white lead of com. Maine: merce, substantially as described. I claim, 1st, In…

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