Partie Septentrionale du Royaume de Portugal /
Robert de Vaugondy, Gilles,1688-1766
Robert de Vaugondy, Didier,1723-1786
Boudet Antoineactive 1734-1787
[Paris : Robert de Vaugondy, A.Boudet,
1757].
Relief shown pictorially. Subdivisions outlined in colour.
"Avec Privilege".
In:  "Atlas Universel" by Gilles Robert de Vaugondy and his son Didier, first issued in Paris in 1752, this edition 1757.
Map dated 1751 in title cartouche, the date for the previous issue.
Decorative title cartouche in the top left hand corner.
Scale bar in bottom left hand corner ; three scale indicators : "Mille pas Géométriques de 60 au degré 30"[= 8.1 cm], "Lieues marines et d'une heure de 20 au degré, 10"[= 8.1 cm], "Lieues communes de Portugal de 18 au degré, 9"[= 8.1 cm].
North up. Marginal grid. Septentrion, Midy, Orient, Occident. Longitude from Ferro island.
At the back, handwritten in ink : "Portugal Septen.al N°77"