Leipzig, Johann Ambrosius Barth, 1889. Without wrappers as issued in ""Annalen der Physik und Chemie. Hrsg. von G. Wiedemann."", Neue Folge Bd. 36, 4. Heft. Pp.669-936 a. 2 folded plates. (Entire issue offered). Hertz's paper: pp. 669-783. The last leaves loose.
Reference : 45454
This importent was first published in ""Sitzungsberichte"" and describes how he proved by experiments that light is electromagnetic waves.
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