Abstract
THIS forms the second part of an introductory textbook of electricity and magnetism in which chief stress is laid on the mathematical side. In this volume the Faraday-Maxwell conception of electrical phenomena still forms the central idea; but, since the representation of simple magnetic phenomena in terms of a distribution of energy in a medium presents considerable difficulty from the mathematical standpoint, the classical conception based on action at a distance is retained, but regarded merely as a mathematical device and not as a physical conception. In the section on electromagnetism the author adopts the special form of equations developed by Hertz in his paper on the fundamental equations of electromagnetism for bodies at rest, and expresses his strong opinion in favour of generally adopting these in all treatises of mathematical physics.
Sammlung Schubert, XLII.
Theorie der Electrizität und des Magnetismus. Vol. ii. By Prof. Dr. J. Classen. Pp. ix + 251; with 53 figures. (Leipzig: G. J. Göschen'sche Verlagshandlung, 1904.) Price 7 marks.
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Sammlung Schubert, XLII . Nature 73, 4 (1905). https://doi.org/10.1038/073004b0
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DOI: https://doi.org/10.1038/073004b0