FRISCH, OTTO ROBERT (+) PETER PRINGSHEIM.

Über die Intensitätsverteilung im Hg-Triplett 23S1-23P0,1,2 und die mittlere Leuchtdauer der Triplettkomponenten.

Berlin, Springer, 1931. 8vo. Bound in contemporary half cloth with gilt lettering to spine. In "Zeitschrift für Physik", Bd. 67, 1931. Entire volume offered. Library stamp to front free end paper and title page, light wear to extremities. Pp. 169-78. [Entire volume: VIII, 862 pp.].

First printing of Frisch and Pringsheim's paper on the intensity distribution in the mercury triplet, 23S1-23P0,1,2, and the mean glow period of the triplet components.

Order-nr.: 49700