HELMHOLTZ, HERMANN von.

Studien über electrische Grenzschichten. (Studies in Electrical Contact-layers).

Leipzig, Johann Ambrosius Barth, 1879. Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg. von G. Wiedemann.", Neue Folge Bd. 7, No. 7. Pp. 337-496 a. 1 plate. (Entire issue offered). Helmholtz paper: pp. 337-382.

First appearance of a famous paper in electrodynamics in which Helmholtz was able to explain the production of electricity by friction and succeeding "in deriving the relations of the series of electrical tensions due to friction, and the theory of the electrical machine, satisfactorily from it.....In this paper....Helmholtz comes back repeatedly to the close connection between electrical and the chemical forces, as well as to the explanation of Volta's fundamental experiment......These researches of Hertz, the results of which were plainly foreseen by helmholtz, gave substantial support to the Faraday-Maxwell hypothesis of the nature of electricity, and confirmed Helmholtz in his opinion of the accuracty of Faraday's conceptions."(Koenigsberger "Hermann von helmholts", pp. 317-321).

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