Instructional diagram showing how to determine longitude

REYNOLDS, James.

Methods of Ascertaining the Longitude.
London: Reynolds, c.1850. Steel engraving with original colour, printed on card. Sheet 290 x 230mm.

Instructional diagram of the relationship between the sun, earth, moon, a star, and Jupiter, illustrating the method of calculating longitude on earth using astronomical sightings.


Stock ID : 20784