Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 338
or S.) of the greater sum. In like mannerthe total departure may befound approximately. Evidently the TraverseTable may be used and thework arranged as in Rec-tangular Surveying. When the difference oflatitude and the departurehave been found, the differ-ence of longitude may bedetermined by Middle… … Fig. 23 c D N S E W N.W. N. by W.W.S.W. 4 points1 point6 points 6052 83 42.451.0 31.8 42.4 10.1 76.7 Hence, La = 61.6 miles N.= 1° 2 N. 93.431.8 31.8 0 129.20. 1 \ = 129.2 W 61.6 129.2 L Lm \ U =40°0/N. L = 40° 0 N. V =67° 4AY. Ld = 1° 2 N. L = 41° 2N. X(, = 2°51W. £=41° 2 N. 2)81° 2 X = 69° 55 W.…
Trigonometry · Surveying · Navigation
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