Book of Donmon Teith

This text focuses on the history of the development of hand-held celestial navigation instruments, offering descriptions of the tools used. It also includes a g

Many books on celestial navigation take shortcuts in explaining concepts; incorrect diagrams and discussion are often used for the sake of moving the student al

Celestial navigation is one of the oldest of the mariner's arts – and one of the most awe-inspiring. It is also essential for every ocean sailor who wants to