Sách nói: Prince Henry the Navigator

PRINCE HENRY THE NAVIGATOR
By Evelyn Abbot, M.A.
INTRODUCTION.
The Greek And Arabic Ideas Of The World, As The Chief Inheritance Of The Christian Middle Ages In Geographical Knowledge. Arabic science constitutes one of the main links between the older learned world of the Greeks and Latins and the Europe of Henry the Navigator and of the Renaissance. In geography it adopted in the main the results of Ptolemy and Strabo; and many of the Moslem travellers and writers gained some additional hints from Indian, Persian, and Chinese knowledge; but, however much of fact they added to Greek cartography, they did not venture to correct its postulates. And what were these postulates? In part, they were the assumptions of modern draughtsmen, but in some important details they differed. And first, as to agreement.