Depths shown by soundings. Includes rhumb lines, shoals, etc. Map is without color. Prime meridians: London and Ferro. Appears in John William's The American Pilot, 1792 and William Norman's The American Pilot, 1798.
note
Depths shown by soundings. Includes rhumb lines, shoals, etc. Map is without color. Prime meridians: London and Ferro. Appears in John William's The American Pilot, 1792 and William Norman's The American Pilot, 1798.
Note
false