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Scientific American, Vol. 54, No. 4 (1886) (1886)
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x of balance No. 2, and is supplied at will from (This will obviate the necessity of correcting for that shown. Ifmore delicate readings are desired, additional battery II. with a current whose strength can be percentage of carbonic acid always associated with lessened gradually and delicately by… … © 1886 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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