Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 327
or in any latitude, if the course is lessthan about 45° and the distance great, d being a small arc. By means of a small table of correc-E tions, the imperfections of the middle lati-tude method may be removed and theresults rendered accurate. This correctionof the middle latitude is seldom used… … CB = L, AE = A,. Fig. 20 Example 1. A ship sails from Sandy Hook light, in lati-tude 40° 28 K, longitude 74° W., on an E.S.E. course, 62 Find the latitude in and the longitude in. miles. Solution 1. By computationTo find the latitude in : By [2], Ld = D cos C. D = 62 log£>= 1.79239 C = 67° 30…
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