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Published online by Cambridge University Press: 28 July 2016
Multitudes of young- men are starting to study navigation. As a rule it is only after many months of painful work that they come to see what it is all about –many of them never get to that point at all.
In none of the books on navigation have I been able to find a simple picture, defining each step in the reasoning that enables us to navigate by the stars. Hence this effort. As set out here the principles can be grasped by anyone.