Claudii Ptolemaei Opera Quae Exstant Omnia

This volume presents Books 7-13 of Ptolemy's influential astronomical work, the Almagest, originally published in 1903. It delves into the geocentric model of the universe, detailing the motions of celestial bodies and providing foundational knowledge in astronomy. Ptolemy's meticulous observations and mathematical calculations laid the groundwork for future astronomical studies, making this treatise essential for understanding ancient and medieval cosmology.