EARLY NAVIGATION MANUALS

Grenville D. Zerfass

Peer Reviewed

Abstract:	Someone once wrote that whoever would advance in human knowledge must stand at the edge of the known before he could enter the unknown. In few fields of endeavor has more progress been made in recent years than in the practice of navigation, both by sea and by air-the advance into the unknown has been spectacular. Possibly the many achievements can be more fully appreciated by turning briefly to some of the records of the past, the early navigation manuals, from their inception in the sixteenth century to the period marked by the invention of the sextant and the chronometer. What were the circumstances behind the publication of these manuals? Who were their authors? What was their material and what the source?
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 3, Number 1&2
Pages:	3 - 9
Cite this article:	Zerfass, Grenville D., "EARLY NAVIGATION MANUALS", NAVIGATION: Journal of The Institute of Navigation, Vol. 3, No. 1&2, 1951, pp. 3-9.
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