LORENTZ, H.A.

Über positive und negative Elektronen. (Vortrag, gehalten in der American Philosophical Society am 17. April 1906).

Leipzig, S. Hirzel, 1907. Without wrappers as extracted from "Jahrbuch der Radioaktivität und Elektronik", Vierter Band 1907. Heft 2. Entire "Heft 2" offered. Pp. 125-230 with printed titlepage to Bd. 4, dated 1908. Lorentz' paper pp. 125-131. Clean and fine.

First printing of this paper, a lecture in the American Philosophical Society in 1907.

Order-nr.: 42398