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tailing forms just as astronomers do the motions of the heavens. By the very means'by which the latter determine the future motions of the heavens, the Abbe decides which, forms arc possible and whicli are impossible. It is thus by his simple and.general .law, of crystallization,, “ the number: of the ranges-of the subtractive particles must always be a commensurable quantity,” that he has demonstrated the regular dodecaedrqn.-and- the. regular icosaedron to be impossible forms in mineralogy. * As the immortal Newton*A loTir . aP otfroAn f a Ka: ff. t r\ th
Newspaper Details
Philosophical Magazine
London, Middlesex, GB
Sun, Jan 01, 1804
Page 330
Full Page
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Anonymous
USA 30 Sep 2023
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