Abstract
IT was hardly to be expected that a fine dust when separating out from the air could easily be made to deposit in perfectly sharp, clear, and constant figures, but this is easily done by simply raising the plate, on which the deposit is to take place, a few degrees above that of the surrounding air, and in five to six minutes, in place of a uniform deposit, which would naturally be expected, a perfectly definite figure is formed; the dust will be heaped up in certain places, and in others the plate will be without a trace of deposit upon it. That a plate, bombarded on every side by a thick dust, should be able to compel by means of a very small amount of heat added to it the falling particles to arrange themselves in such definite forms is undoubtedly remarkable.
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RUSSELL, W. The Formation of Definite Figures by the Deposition of Dust . Nature 67, 545–546 (1903). https://doi.org/10.1038/067545a0
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DOI: https://doi.org/10.1038/067545a0