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 124
raw the meridian ACD, and parallel thereto, •A-at a diftance equal to the departure 957 miles, drawthe line EB ; make the angle CAB equal to thecourfe 6 points, and draw AB meeting EB in B ; C-from B let fall upon AD the perpendicular BC ;then will AC be the difference of latitude 396.4miles, and… … It2? MTDIJLE LATITUDE SAILING, By LOGARITHMS. To find the difF. of latitude.As radius 4pts. 10.00000 Is to the departure 957 2.98091So is co-tang, courfe 6 pts. 9.61722 To difF. of lat. 396,4 2.59813 Latitude kit 50° ioS* Diff. of lat. 396 miles 6 36 S Latitude in 56 46 S. Sum ol latitudes 106 56…
Navigation · Nautical astronomy
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
