02362nam 2200397Ia 450 99639382590331620200824121641.0(CKB)4940000000115734(EEBO)2240870486(UnM)99900037e(UnM)99900037(EXLCZ)99494000000011573419990113d1685 uy |engurbn||||a|bb|Norwood's system of navigation[electronic resource] teaching the whole art, in a way more familiar, easie, and practical, than hath been hitherto done. Shewing, the projection of the plain scale: the sphere in plaino: astronomical problems useful in navigation: traverse tables: right lin'd triangles, geometrically, by tables of sines, tangents, logarithms, and by Gunter's ruler; applied to Plain and Mercator's sailing. Illustrated by schemes on copper-plates. How to make observations at sea or shore. Sure and easie ways of reckoning by latitude, longitude, and meridional distance; with tables for both ways of sailing. The longitude and latitude of principal places. Tables for the suns place and declination; of the longitudes, latitudes, declinations, right ascensions, and seasons of some noted stars. Spherical triangles; and their use in great circle sailing. The use of the globes, Azimuth compass for variation. And also of sea-gunnery. The description and use of a new instrument, called Encyclologium, or the sliding circles; which, witLondon printed for H. Sawbridge, T. Guy, T. Parkhurst, J. Robinson, and G. Conyers1685[16], 384, 11, [149], 8, 5-50 p., plates ill"A table containing ten chiliads of logarithmes" and "A triangular canon logarithmical" each have a separate dated title page; register is continuous.Reproduction of original in the Wellcome Institute for the History of Medicine, London.eebo-0186GeometryEarly works to 1800NavigationEarly works to 1800GeometryNavigationNorwood Matthew1002507Cu-RivESCu-RivESUk-ESCStRLINCu-RivESWaOLNBOOK996393825903316Norwood's system of navigation2300951UNISA