Note 30 — PART I. PHYSICAL CONSTITUTION OF COMETS.
Reading edition
Thus the perihelion distances of the Comets 1682, 1769, 1744, and 1819, which are said to have shown phases, are respectively ·58, ·12, ·22, ·36.
Reading edition
Thus the perihelion distances of the Comets 1682, 1769, 1744, and 1819, which are said to have shown phases, are respectively ·58, ·12, ·22, ·36.