Comet - Erycius Puteanus - Collection of two works... Lot 8

[Comet] - Erycius Puteanus - Collection of two works in one volume In-16° half calf, 138 pp. 1 ff. 7 engraved portraits, 167 pp. 1 ff. 1 - Eryci Puteani de cometa Anni M.DC.XVIII. Novo mundi spectaculo, libri duo. Coloniae, Conradi Butgenius 1619. Erycius Puteanus, professor in Louvain, engages here in cosmological debates fueled by the comet of 1618 and the observations made with the telescope by Galileo. He rejects the traditional view of the immutability of the heavens and the existence of celestial spheres, arguing for the celestial nature of comets based on their parallax, motion and other physical characteristics. 2 - Eryci Puteani aenigma regium. Monaci, Raphael Sadeler 1623. Opuscule which deals with the origins of Rome. Collection containing two rare works by Erycius Puteanus. Wear to the binding.