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 134
lumn, ftands 160.5 m t^ie deP°column, which doubled gives the difference of longitude 321 miles ^ nearlyas before. - Case v. Both latitudes and diflance glven^ to find the cokrfe and difference of lew* gitude. A fhip from the latitude of 370 N. and longitude of 320 i6/ W. fails300 miles… … By PROJECTION., - Draw the meridian ABC ; make AB equal to the proper difference cflatitude 240, and AC equal to the meridional difference cf latitude 309 miles ;draw BD and CE perpendicular to ABC 3 with an extent equal to the dis-tance 300 in your compaffes, and one foot in A, fweep an arch…
Navigation · Nautical astronomy
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