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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 106

An illustration from The new American practical navigator : being an epitome of navigation, containing all the tables necessary ..., 1802, leaf 106
of the fame name as the greater. With this difference.of latitude and departure, the courfe and diftance made good are found as jj^Cafe VI, Plane Sailing. example; J. Suppofe a {hip takes her departure from Block Ifland in the latitude of;410 10 N. the middle of it bearing N. N. W. diftance by… … Let L reprefent the middle of Block-Ifland ; draw the meridian LM, andpn L as a centre, with the chord of 6o°, fweep a circle to reprefent thecompafs, on which mark the various courfes failed, and the bearing of theland at the time of taking the departure ; oppofite to this bearing draw theS. S. E.…

Navigation · Nautical astronomy

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