"The issue [of the Nautical Almanac] for 1774 first introduces Mason's improvements of Mayer's Lunar Tables. The preface written by Maskelyne on July 2, 1772, states: To this Ephemeris are annexed 1220 Longitudes and Latitudes of the Moon deduced from the late Dr. Bradley's Observations. ...The greater part of these calculations were made during Dr. Bradley's Lifetime by himself and his Assistant Mr. Charles Mason; and what was left unfinished has been completed by Mr. Mason since, at the Instance and at the Expense of the Board of Longitude. A Series of Observations this for Number and Exactness far excelling anything of the kind which the World ever saw before... Accordingly the Board of Longitude have thought proper to employ Mr. Mason farther in making the necessary calculations for improving Mayer's printed Tables under my Direction..."
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ClergyAnglicans from the United KingdomUniversity of Oxford facultyAstronomers from EnglandUniversity of Oxford alumni
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James Bradley
FRS (March 1693 – 13 July 1762) was an English astronomer and served as Astronomer Royal from 1742, succeeding Edmond Halley. He is best known for two fundamental discoveries in astronomy, the aberration of light (1725–1728), and the nutation of the Earth's axis (1728–1748).
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