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Scientific American, Vol. 53, No. 9 (1885) (1885)
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p; they discolored whenever the: current are adjusted so that their center line is opposite the electrodes, M M’, passes through it. As thé two sty- when the latter are at rest. The luses move absolutely in unison, the exact location of each particle of i ink that causes a break in the cur-… … © 1885 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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