Last month we described how to use the sky to find your latitude, which specifies how far you are north or south of the equator. But latitude is only half the story. You also need to know how far east ...

IN this concise little book the art of navigation is treated from an elementary standpoint. Commencing by explaining the meaning of a few mathematical expressions, including triangles, the author goes ...

THERE can be no doubt that star observations, when the horizon is clear and well defined, are the best means by which the position of a ship at sea can be ascertained; as, by altitudes of two or more ...