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 31
I> A B Geometry- XIX. … Tile Sine or Right Sine ofan arch ) is a line drawn frontone end of the arch perpen-dicular to a diameter drawnthrough the ether end of thefame arch ; thus R S is theright fine of the arch AS, itbeing a line drawn from oneend of the arch S, perpendicu-lar to DA which is the diam-eter palling…
Navigation · Nautical astronomy
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