(1) NAUTICAL astronomy is simply the application of spherical trigonometry to the problem of ascertaining the latitude and longitude at sea by observations of the heavenly bodies; as also the errors ...

ONE of the greatest difficulties encountered in the study of spherical and astronomy is to obtain a proper comprehension of the various circles of the celestial sphere, without which the solution of ...

Astronomy S2a, a course in navigation and nautical astronomy, will be given in the Summer School this year, according to an announcement just issued. This course corresponds to Astronomy 2a which is ...

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!199425~!0#focus ...