The new American practical navigator : being an epitome of navigation, containing all the tables necessary ... (1802)
Bowditch, Nathaniel, 1773-1838, Lee, Marvin, former owner. DSI, Stuart, Gilbert, 1755-1828 DSI, Burndy Library, donor. DSI · [Salem] : Printed at Newburyport, Mass., 1802, by Edmund M. Blunt, for Cushing and Appleton, Salem : Sold by every book-seller, ship- chandler, and mathematical-instrument-maker in the United States and West Indies · leaf 120
equal to the dif-tance 59 r miles ; from C let fall upon AD theperpendicular CD ; then will CD be the depar-ture 328 miles, and AD the difference of latitude49 r miles. Hence we obtain the latitude ar-rived at, and the middle latitude ; draw the lineCE making an angle with DC of 38° 24 —the middle… … Is to the diftance 59 rSo is co-fine courfe 3 pts. 10.000002.771599.91985 To the diff. of lat. 491.4 2.69144 Latitude left 420 3o/N.Diff. of lat. 8 11 S. Latitude inSum of lats.Middle lat. 34 19 N.76 4938 24 Long, left 5S°5iW. Diff. of long. 419= 6 59 E. Longitude in 51 52 W. As radius 8 pts.…
Navigation · Nautical astronomy
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