Putnam, G. R. (George Rockwell), b. 1865 · New York, J. Wiley & Sons; [etc.] · leaf 94
o o z P U Q I o cco h z uj O Q. gou o > \- … ;0 Long, $l)y Eaat <y>° from 190 fcreen.!^, FIG. 25. NORTH POLAR CHART ON ARBITRARY PROJECTION. (77) Arbitrary Projection 79 quality that every straight line on it represents a greatcircle of the earth. To obtain the great circle orshortest course between two points it is therefore…
Nautical charts
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