The theory and practice of finding the longitude at sea or land
Subtitle: to which are added, various methods of determining the latitude of a place, and variation of the compass; with new tables
By: By Andrew Mackay.
Edition: 3d. ed., improved and enlarged.
Publisher: Longman, Hurst, Rees, and Orme
Published: 1810
Place of publication: London
Language: eng
Subjects: Navigation; Nautical astronomy; Longitude
Other titles: Mackay on longitude.
Notes: Vol. 2, chiefly tables.