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 133
n and longitude in ? Lat. left 490 §fN. Mer. parts Lat. in 45 31 N. Mer. parts Diff. lat. 4 26:s266miks. Mer, dif, lat. By PROJECTION. Draw the meridian AEB, on which take AE equal to the proper differ,face of latitude 266 miles, and AB equal to the meridional difference oflatitude 396 miles ; make… … To find the diftance.As the co-fine courfe 390 9,89050Is to the prop. dif. of lat.266 2.42488So is radius 90° 10.00000 To find the diff. of longitude.As radius 450 io.oooco Is to mer. dif. of lat. 596 2.5977QSo is tang, courfe 390 9.90837 To the diftance 342.3 2-53438 To the diff. of long. 320,7…
Navigation · Nautical astronomy
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