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.
This importent was first published in "Sitzungsberichte" and describes how he proved by experiments that light is electromagnetic waves.
Order-nr.: 45454