2858 résultats

Die Meteor-Fahrt, Forschungen und Ergebnisse der Deutschen Atlantischen Expedition, 1925-1927

An observing list of stard selected for the determination of time with the portable meridian transit in the southern hemisphere

Arctic expeditions: Extracts of any Proceedings or Correspondance of the Admirality, in reference to the Arctic Expedition. (In continuation of Parliamentary Papers, Nos. 264 and 386, of Session 1848, up to the present Time.)

Atlas des colonies françaises

Grinnell Land: Remarks on the English maps of arctic discoveries, in 1850 and 1851, made at the Ordinary Meeting of the Nationam Institute, Washington, in May, 1852

Tables and formulae useful in surveying, geodesy, and practical astronomy: including Elements for the projection of maps and Instructions for field magnetic observations

Études élémentaires de météorologie pratique

Traité de photographie

Breves instrucciones sobre un plan general de observaciones fisicas en el Peru

Arctic bibliography : Volume 12: prepared for and in cooperation with the Department of defense under the direction of the Arctic institute of North America