Dinwiddie, James2009-07-242009-07-242009-07-24http://hdl.handle.net/10222/11802This scientific journal by James Dinwiddie focuses on navigation by stars which is demonstrated through a series of calculations. This file consists of one journal that is 24 pages in length.enJames DinwiddieCalculationsEquationsTrigonometryLongitudeStarsNavigationScientific journalAstronomyText