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Published online by Cambridge University Press: 18 January 2010
People often think that early seafarers must have clung to the coast, but there is plenty of evidence that from the earliest times seamen have not only ventured out of sight of land but have conducted regular passages across the open sea. No doubt, however, landmarks did provide the earliest aid to navigation and in the eastern Mediterranean where the science was born, ships would not have been out of sight of land for more than a day or two.
* A broadcast arising out of the publication of The Haven Finding Art by E. G. R. Taylor (B.B.C. Third Programme, 26 May, 1957).