Aristarchi Samii de mundi systemate, partibus et motibus ejusdem libellus. Adjectae sunt AE. de Roberval … notae in eundem labellum.
Paris: Antoine Bertier, 1644. First edition, exceptionally rare, of Roberval’s cosmology, in which he expresses, covertly, his support for Copernicus, and also formulates for the first time the law of universal attraction – that any two material bodies in the universe attract each other. This principle is normally ascribed to..... More