Citation: Wgl. Randles, NUNES,PEDRO DISCOVERY OF THE LOXODROMIC CURVE (1537) - HOW PORTUGUESESAILORS IN THE EARLY 16TH-CENTURY, NAVIGATING WITH GLOBES, HAD FAILEDTO SOLVE THE DIFFICULTIES ENCOUNTERED WITH THE PLANE CHART, Journal of Navigation, 50(1), 1997, pp. 85-96