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 217
ards C is S. 7227 E. or E. S..E. | E. nearly. PROBLEM IV. Ttvo fhips fail from the fame port, one JV. W~. 30 miles, and the other N,E. bj N. 40 miles ; required their bearing and difiance from each other ? By PROJECTION. Draw the compafs NESW, and let itscentre A reprefent the port failed from… … fepORLEMS USEFUL IN NAVIGATION? &3 By LOGARITHMS, (by Cafes IV. V. Ob. Trig.)Between the N. W. line AB and the N. E. by N. line AC, there are 7points = angle BAC, half the fupplement of which to 1800 is 500 37! rz:half fum of the angles C and B. To find the angles.As fum of AB & AC 70…
Navigation · Nautical astronomy
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