Abstract
THE first of these pamphlets consists of a discourse given to a vacation class of teachers in April, 1902, shortly before the death of the author. It was published at the request of many members of the class, and is as good a general historic account as could possibly be given in so short a space of our knowledge of the ether, considered with regard to optical phenomena, starting with the corpuscular theory of Newton, and tracing the various theories of Huyghens, Fresnel, Cauchy, Lord Kelvin, Maxwell, Fitzgerald, Larmor, Iiorentz, and other writers.
De Ether.
By Dr. V. A. Julius. Pp. 56. (Haarlem: De Erven F. Bohn, 1902.)
L'Etere e la Materia ponderabile.
By Ingegnere M-Barbera. Pp. viii + 134. (Turin: Bertolero, 1902.)
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De Ether L'Etere e la Materia ponderabile . Nature 67, 413 (1903). https://doi.org/10.1038/067413d0
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DOI: https://doi.org/10.1038/067413d0