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 76
ame fcale, defcribe. an arch cutting FEin the points C and G, join BC, BG, and it is done ; for the triangle maybe either ACB, or AGB, according as the angle C, or G, is acute or ob-tufe ; if that angle be acute, the triangle will be ABC ; the fide AC willmeafure 90S, the angle ACB will meafure… … 7o OBLIQJJE TRIGONOMETRY. If the fide BC had been given greater than AB, there could have heenonly one anfwer to this problem ; for in that cafe, the point G would havefallen on the continuation of the line CA towards F, in which cafe the angleA of the triangle would become equal to FAB, inftead of…
Navigation · Nautical astronomy
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