Note 81 — CHAP. XIX. The Calculation of New and Full Moons and Eclipses. The geometrical Construction of Solar and Lunar Eclipses. The examination of antient Eclipses.
Reading edition
Babylon is 42 deg. 46 min. east from the Meridian of London, which is equal to 2 hours 51 min. of time nearly. See § 220.