World on Mercator's Projection - Nautical Chart, 1823 Historical Map Print Size:44in x 39in [Plan of Boston neck]

[Plan of Boston neck]

and the east-west position of a ship was calculated using a variety of methods including astronomical observations (comparison of the time on ship of a predictable astronomical event with the time it would have been visible at a prime meridian) and maritime clocks (the use of two clocks

Small male figure in profile view whose face is hidden by his upraised arm holding a cup

Plate 4: a Corinthian capital on the ground to left in the foreground

prince du sang - French

World on Mercator's Projection - Nautical Chart, 1823 Historical Map Print Size:44in x 39in [Plan of Boston neck]Made to order print of World on Mercator's Projection from Tanner's 1823 American Atlas. A historical map reproduction for wall art, offices, studies, and collectors.