Joannis de Sacrobosco: Sphaera (1647)

Liber intitulatus ""Sphaera"" a Ioanne De Sacrobosco scriptus, anno 1647 editus est. In hoc libro, auctor tractat de sphaera mundi et eius motu, et explicat quomodo coeli et terrae partes in se invicem commoventur. Praeterea, describit differentias inter stellas fixas et planetas, et docet quomodo planetarum motus observari possint. Libellus est scriptus in lingua Latina, et est opus fundamentalis in astronomia medievali.This Book Is In Latin.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.