||Voyages in the Southern Hemisphere, Vols. II - III
Table of Contents
On this day ...
15 March 1771
Endeavour Voyage Maps
Cape of Good Hope, Saint Helena and Return to England
Cape of Good Hope, Saint Helena and Return to England (continued)
A few days after we left Java, we saw boobies about the ship for several nights successively, and as these birds are known to roost every night on shore, we thought them an indication that some island was not far distant; perhaps it might be the island of Selam, which, in different charts, is very differently laid down both in name and situation.
The variation of the compass off the west coast of Java is about 3° W. and so it continued without any sensible variation, in the common track of ships to the longitude of 288° W. latitude 22 S. after which it increased apace, so that in longitude 295°, latitude 23°, the variation was 10° 20’ W.: in seven degrees more of longitude, and one of latitude, it increased two degrees; in the same space, farther to the west, it increased five degrees: in latitude 28°, longitude 314°, it was 24° 20’, in latitude 29° longitude 317°, it was 26° 10’, and was then stationary for the space of about ten degrees farther to the west; but in latitude 34°, longitude 333°, we observed it twice to be 28° ¼ W. and this was its greatest variation, for in latitude 35° ½, longitude 337°, it was 24°, and continued gradually to decrease; so that off Cape Anguillas it was 22° 30’, and in Table Bay 20° 30’ W.
© Derived from Vols. II-III of the London 1773 edition: National Library of Australia call no. FERG 7243, pages 782 - 783, 2004
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