Leipzig, Johann Ambrosius Barth, 1915. 8vo. In the original printed wrappers. Author's presentation offprint with the printed presentation statement on top of frontwrapper "Überreicht vom Verfasser" [i.e. "Given by the author"]. Offprint from "Annalen der Physik", Vierte Folge, Band 48, 1915. A very fine and clean copy, near mint. Pp. 1098-1102.
First edition, in the scarce author's presentation offprint issue, of Smoluchowski's paper on The Equation of State.
Order-nr.: 48714