Wegener, A. - Versuche zur Aufsturztheorie der Mondkrater.

Halle, Max Niemeyer (Für die Akademie [Leopoldina]), 1920. 4to (32.2 x 24.2 cm). 9 pp.; two plates. Original printed wrappers. = Rare contribution to the "Versuche mit zähflüssigem Material und staubförmigem Material". Written by the German meteorologist and geologist Alfred Wegener (1880-1930) who became famous for his theory of continental drift. Published in the Nova Acta Leopoldina. Uncut. Edges (therefore) a bit frayed, with an old reinforcement to a few leaves, otherwise a very good, clean copy.

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