Tables Requisite to Be Used with the Nautical Ephemeris, for Finding the Latitude and Longitude at Sea
Nevil Maskelyne
Broschiertes Buch

Tables Requisite to Be Used with the Nautical Ephemeris, for Finding the Latitude and Longitude at Sea

Published by Order of the Commissioners of Lon

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Successful long-distance navigation depends on knowing latitude and longitude, and the determination of longitude depends on knowing the exact time at some fixed point on the earth's surface. Since Newton it had been hoped that a method based on accurate prediction of the moon's orbit would give such a time. Building on the work of Euler, Thomas Mayer and others, the astronomer and mathematician Nevil Maskelyne (1732-1811) was able to devise such a method and yearly publication of the Nautical Almanac and Astronomical Ephemeris placed it in the hands of every ship's captain. First published in...