Navigation and Nautical Astronomy —— The Practical Part, Containing Rules for Finding the Latitude, and the Variation of the Compass

----- 导航和航海天文学

ISBN: 9781332024001 出版年：2016 页码：301 H W Jeans Forgotten Books

XLVII. To find the longitude by chronometer and altitude of sun XLVIII. To find the longitude by chronometer and star altitude Lunar observations XLIX. To clear the lunar distance L. To find the longitude by sun lunar (ship time deter mined from sun's altitude) LI. To find the longitude by sun lunar (ship time deter mined from moon's altitude) LII. To find the longitude by star lunar (ship time deter mined from star's altitude) lhi. To find the longitude by star lunar (ship time deter mined from moon' s altitude)