Putnam, G. R. (George Rockwell), b. 1865 · New York, J. Wiley & Sons; [etc.] · leaf 24
FIG. 2. CHART CF NORTH ATLANTIC OC … BY JUAN DE LA COSA, 1500. EARLIEST EXTANT CHART SHOWING AMERICA. Development of Chart Making 9 such proportion that a rhumb line, or line cutting themeridians at a constant angle, would appear on themap as a straight line. Mercator never explainedthe construction of his chart, and as the above…
Nautical charts
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