Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 360
rcle charts. On these charts thegreat circle is represented, by a straight line; hence, the lati-tude of each intersection with the meridians is known. Thecorresponding points may be marked on the meridians onMercators chart and a line traced through these points.This curved line will represent the…
Trigonometry · Surveying · Navigation
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