This is a copper engraved map printed in 1760 of modern day Vietnam and made by Jacques-Nicolas Bellin. Bellin was a famous 18th century French Mapmaker who was famous for his nautical and coastal maps.
The map is entitled Carte Du Cours De La Riviere De Tunquin, Depuis Cacho jusqu'a la Mer Levee par un Navigateur Anglois, which roughly translates to the Course of the Tonquin River, Until the Sea Levee at Cacho explored by the English Navigators.
The units of measurement are shown to be Echelle Grades Lieues de France which roughly translated to Scale Grades, French Leagues.
The map shows. an area of Vietnam along the Tonquin River. It shows Cacho, Ville Capitale du Tunquin (Hanoi), several Pagodas, and Ville ou les Anglois ont un Contour (Village or the English possession at the Contour). It shows the depth of the river at different points and several Bays, Islands, and Settlements.
