Depths shown by soundings.
Covers North Atlantic Ocean.
Shows tracks of various voyages in the 1790s and arrows for prevailing currents.
In lower left margin: by J. Norie, teacher of navigation, Leadenhall Street.
"Published as the Act directs."
Includes 7 coastal views.
Cataloging, conservation, and digitization made possible in part by The National Endowment for the Humanities: Exploring the human endeavor.