Notiz zu der Arbeit von A. Friedmann ""Über die Krümmung des Raumes"".

Berlin, Vieweg u. Sohn, 1923. 8vo. Bound in contemporary full cloth. In ""Zeitschrift für Physik. Hrsg. von Karl Scheel. 16. Band"", entire volume offered. Embossed stamp to title page. P. 228. [Entire volume: IV, [2], 409 pp].

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First printing of Einstein commentary to Friedman's seminal papers in which he ""introduced into cosmology two concepts of revolutionary importance, the age og the world and the creation of the world""(Kragh, Cosmology and Controversy). Also contained in the volume are:BOTHE, W.: Eichmethoden für Emanationselektrometer (+) Über eine neue Sekundärstrahlung der Röntgenstrahlen. - First appearance of Bothe's early paper on the Compton effect which, together with his later paper (in Bd 32, Zeitschrift für Physik), awarded him the Nobel Prize in Physics ""for the coincidence method and his discoveries made therewith"".PAULI, JR. W. : Über die Gesetzmässigkeiten des anomalen Zeemaneffektes. LANDÉ, A.: Zur Theorie der Röntgenspektren.HEISENBERG, W. (+) M. BORN.: Die Elektronenbahnen im angeregten Heliumatom.Weil 122