Nikolai Iwanowitsch Lobatschewskij. - Archiv für wissenschaftliche Kunde von Russland – Beiträge zur Geometrie, darunter Lobatschewskijs - 1855

Historical German-language scientific contributions from the Archive for Scientific Knowledge of Russia, edited by A. Erman and printed by Georg Reimer in Berlin. The page ranges 231–340 from Volume XIV (1855) and 398–456 from Volume XVII (1858) are included. Notably, Lobachevsky's contribution 'Pangeometry' to non-Euclidean geometry is highlighted.

An interesting piece of science and mathematics history from the 19th century. Please refer to the photos for condition and completeness.