Ptolemy, active 2nd centuryBertius, Petrus, 1565-1629Mercator, Gerhard, 1512-15941 map; 32 x 46 cmScale approximately 1:4,930,000 ; Title across top: Africæ I. Tab: ; Based on Ptolemy's Geography ; Relief shown pictorially ; Covers modern northern Morocco and Algeria ; Leiden : Petrus Bertius9941566484202441ark:/81985/n2hh6f67xPetrus BertiusPublicMedius meridianus 16, reliqui ad hunc inclinati sunt pro ratione parallelorum 29 & 34 ad circulum maximumMapsAlgeriaMoroccoNorth Africa1618Northwestern University