02120nam 2200385Ia 450 99638699370331620200824132158.0(CKB)4940000000076781(EEBO)2240973811(OCoLC)ocm12369082e(OCoLC)12369082(EXLCZ)99494000000007678119850809d1695 uy |engurbn||||a|bb|An epitome of navigation[electronic resource] containing problems geometrical, the doctrine of plain and spherical triangles, and their application in plain, mercator and great circle sailing : as also in astronomy and geography, and rules for finding the variation of the compass, and correcting the course : together with the tables of the sun and stars right ascension and declination : of the latitude and longitude of places of meridional parts : likewise a traverse-table, a perpetual almanack, and other things very useful in the art of navigation : and the logarithmical sines and tangents, with the logarithms and natural numbers from 1 to 10 000, according to these exact tables formerly set forth /by Henry Gellibrand ..The fourth edition carefully corrected and enlarged.London Printed by B.M. for Rich. Mount ...169561, [257] p. ill., tablesReproduction of original in Cambridge University Library."A triangular canon logarithmical, or, A table of artificial sines and tangents ..." has special t.p., begins on p. [52]Half title: Ten chiliads, or, The logarithms of absolute numbers ..., begins on p. [147]Caption title: An appendix containing the use of the cross-staff, quadrant and nocturnal in navigation., begins on p. [250]eebo-0021NavigationEarly works to 1800NavigationGellibrand Henry1597-1636.1004330EAAEAAm/cWaOLNBOOK996386993703316An epitome of navigation2351884UNISA