Meridional distance


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the distance or departure from the meridian; the easting or westing.

See also: Meridional

References in periodicals archive ?
A fragment from De Veer's account (De Veer, 1598: log entry for 24 January 1597) shows that Barents and De Veer applied classical trigonometry to calculate meridional distances.
The historical record indicates that the Dutch measured distances in German miles of 6.3 km, and applied classical trigonometry to calculate meridional distances, assuming 5400 German miles (34020 km) for the circumference of the earth.