Astronomy-Navigation
The Astronomical works
De Hemelloop
The heavenly motions
Van de Spiegheling der Ebbenvloet
The Nautical works
De Havenvinding
The Haven-Finding Art
Introduction
The place of Haven-finding art in 16th century textbooks
The contents of the Haven-Finding Art of 1599
The measurement of the variation of the compass
The determination of longitude at sea
Appendix (astrolabium and Plancius)
De Havenvinding
De Zeijlstreken
The sailings
De Wijsentijt
The age of the sages
Index
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