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 81
into two rightangled triangles by Theorem V, To find the angle A.BC=: 57 AB= 85 log. co, ar. 8.07058AC:=ro8 log. co. ar. 7.96658 Sum 250Half fum 125 log. Half fum left BC 68 log. 2.096911.83251 Half fum 150482 Sum) 19.96658Co-line 9.983^ Doubled is 310 36*=»ngle A. Having the angle A, we may find… … An EchpseqftheMoo n fY^\ AnEclipse of the Sun NewburypoTt Tuhlished, by Edmund 3f.Blunl. ( 7<3 )A SHORT INTRODUCTION TO ASTRONOMY and GEOGRAPHY, >^@Q®Oe«a>. A ^/jI^STRONOMY is a fcience which treats of the motions and diftancesof the heavenly bodies* and of the appearances thence arifing.…
Navigation · Nautical astronomy
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![An illustration from Cosmographia in qvatvor libros distribvta summo ordine, miraqve facilitate, ac breuitate ad magnam Ptolemæi mathematicam constructionem, ad vniuersamque astrologiam institutens. Francisco Barocio ... avtore. Cum præfatione eiusdem autoris, in qua perfecta quidem astrologiæ diuisio, & enarratio autorum illustrium, & voluminum ab eis conscriptorum in singulis astrologiæ partibus habetur: Joannis de Sacrobosco verò 84 errores, et alij permulti suorum expositorum, & sectatorum ostenduntur. rationibusq[uam] redarguuntur. Præcesserunt etiam quædam communia mathematica, necnon arithmetica, & geometrica principia, nonnullæq[uam] propositiones, de quibus in toto opere sæpe fit mentio: ac demum locupletissimus index eorum, quæ ipsa Cosmographia continentur .. (1585)](https://img.insideoutlibrary.com/img/200/ia-cosmographiainqv00baro-469-124.webp)
