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Scientific American, Vol. 4, No. 23 (1861) (1861)

leaf 3

An illustration from Scientific American, Vol. 4, No. 23 (1861), 1861, leaf 3
em- dle, F, which passes through the door, K, and E isa A large commercial house in this city have also ployed for making strong light cannon. spring for forcing the end of the spindle, F, into a offered to furnish, at their own expense, a battery of L. G. Sturdevant, of Talledega, proposes through… … dered by the addition of sulphuric and muriatic acids. beautiful bright tints. This blue resists acids; is They are then put into an alkaline bath, the effect deepened in tone with feeble alkalies, but becomes a WC i, 2 being produced by the addition of a little soda to the purple with concentrated…

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