Published in 1903, Part 2 of Volume 1 contains Books 7-13 of Ptolemy's major astronomical treatise, the Almagest.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "pub

Stoicheiosis Astronomike ('Elements of Astronomy') is a late Byzantine comprehensive introduction to Astronomy. It was written by an outstanding figure in Byzan

This book examines the birth of the scientific understanding of motion. It investigates which logical tools and methodological principles had to be in place to

Ptolemy's Geography is the only book on cartography to have survived from the classical period and one of the most influential scientific works of all time. Wri