Megalithic Navigation

Constant Declination Navigation. Arab Navigation being an extract from Proceedings of the Asiatic Society of Bengal, Dec. 1836 Found at the Cambridge Univ. Library UL No Q 620.C5.1. The Ancient art of land finding in the Pacific, being an abstract from We, the Navigators by David Lewis (1972) Australian National University Press, Canberra, pp.54—61.