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 223
PROBLEM II. To find the area of a Triangle, r Rule. Multiply the bafe by half the perpendicular height, and th$product is the area required. -r> Example. Given the bafe AC 30feet, and the perpendicular DB 20 feetjrequired the area of the triangle ? Multiply the bafe 30 feetBy half the…
Navigation · Nautical astronomy
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