A TREATISE ON ASTRONOMY, IN WHICH THE ELEMENTS OF THE SCIENCE ARE DEDUCED IN A NATURAL ORDER, FROM THE APPEARANCES OF THE HEAVENS ΤΟ AN OBSERVER ON THE EARTH; DEMONSTRATED ON MATHEMATICAL PRINCIPLES; AND EXPLAINED BY AN APPLICATION ΤΟ THE VARIOUS PHENOMENA. BY OLINTHUS GREGORY, TEACHER OF MATHEMATICS, CAMBRIDGE, PRINTED FOR G. KEARSLEY, FLEET-STREET; AND SOLD BY THE AUTHOUR, AND BY DEIGHTON, IN CAMBRIDGE; BY 1802. [T. Davison, White-Friars.] |