A treatise on surveying and navigation: uniting the theoretical, the practical, and the educational features of these subjects (1852)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst · leaf 186
d thedeparture which she has made ? By Construction. — Draw the vertical line AB> to representthe meridian ; from the point A, make theangle BAC=3± points, the given course ; andfrom a scale of equal parts, take A (7= 148 miles,the given distance ; from C on AB, draw theperpendicular CB, then AB… … Lat. in - - - - 35° 8 30 K Dep. 93.9 2. If a ship sail from Oporto Bar, in Lat. 41° 9 north, K W. \W.315 miles ; required her departure and the latitude arrived at ? Ans. Dep. 233.4 miles W.\ Lat. 44° 41 JST. 3. If a ship sail from lat. 55° 1 JV.t S. E. by S.t till her depart-ure is 45 miles;…
Surveying · Navigation
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