Tabulae motuum solis et lunae, novae et correctae, 1770
Tobias Mayer and, Marbach am Neckar
Maker:
Collectie:
NavigArte
The Moon acts as a clock in the firmament. With these newly measured lunar ephemerides, the lunar distance method could be applied at sea to determine longitude. Published by Nevil Maskelyne and the Board of Longitude in London. He also discribes the reflecting circle of the Borda type to measure large angles.
FIRST EDITION of Mayer’s lunar and solar tables which ‘enabled the moon’s celestial position on any standard meridian at any given time to be predicted within just over a degree’ (Norman). Though the tables were drawn up in 1752, it was not until after Mayer’s death that his manuscripts were submitted to the British Admiralty by his widow, then edited for publication by Nevil Maskelyne. Norman 1468. He also described the repeating circle as the best way to measure this large angles.