PHOTOGRAPHY TN NATURAL COLOURS.
M. Toussaint has been repeating the experiments of M. Edmond Bec- querel and M. Niepee de St. Victor, in which coloured objects were pro- duced with all their natural tints upon daguerreotype plates. M. Bec- querel photographed the solar spectrum with all its colours. M. Niepee preferred a doll for his experiments ; this doll was dressed in the brightest colours, and at a distance, might have been mistaken for a solar spectrum or a small rainbow. All the colours were produced many times on the silver plate, but were never fixed. M. Toussaint, whose name is new to me, has, it appears, tried a variety of experiments, but I have not yet been able to get any detail of them. The principal agents with which he has succeeded in producing and fixing these coloured images are, "Phalle essentielle d'aiillet (essential oil of pink) and chloride of gold."—Phote- graphic News.
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