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An article so extensively used in the practice of the Daguerreotypic art as Bromine, is deserving of especial attention, and accordingly every person should endeavor to make himself familiar with its properties and applications. History. This element was discovered in 1826 by M. Balard, in the mother-liquor, or residue of the evaporation of sea-water.
They are full of that energy, vivacity, and daguerreotypic verity which he so eminently displays. There is none of that pretension after "high Art" which has injured the effect of some of his pictures.
To produce a picture by the ordinary process of M. Neipce, unaccelerated, it should be exposed for from three to five hours to sunlight in the camera, though pictures may be procured by contact, in from fifteen to thirty minutes." I have produced some interesting specimens of the Daguerreotypic art, by exposing in the camera only a portion of the sensitive plate to the action of light.
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