Abstract
PARIS. Academy of Sciences, September 11.—M. Maurice Lévy in the chair.—On a new form of the equations of dynamics, by M. P. Appell. Some remarks on the new form of equation indicated in the Comptes rendus of August 7 and 28. The results obtained can be expressed in one theorem, with which is connected the principle of least constraint of Gauss.—The Perseids of 1899, by M. G. Flammarion. The paper gives the results of the observations of MM. Antoniadi and Mathieu at the observatory of Juvisy on August 11, 12 and 13. The results are given in tabular form, and the directions of the meteors observed are shown upon a map.—Remarks by M, Bouquet de la Grye on the above paper. It would be possible to utilise shooting stars as a means of determining differences of longitude between places unprovided with the telegraph.—On some geometrical relations between two systems of points defined by algebraic equations, by M. S. Mangeot.
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Societies and Academies. Nature 60, 516 (1899). https://doi.org/10.1038/060516c0
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DOI: https://doi.org/10.1038/060516c0