It is said to have been used in the Mediterranean voyages at
the end of the thirteenth or beginning of the fourteenth century.
With respect to the nations of the east, it is doubted whether they derived
their knowledge of it from the Europeans, or the Europeans from them. When
we reflect on the long and perilous voyages of the Arabians, early in the
Christian era, we might be led to think that they could not be performed
without the assistance of the compass; but no mention of it, or allusion to
it, occurs in the account of any of their voyages; and we are expressly
informed by Nicolo di Conti, who sailed on board a native vessel in the
Indian seas, about the year 1420, that the Arabians had no compass, but
sailed by the stars of the southern pole; and that they knew how to measure
their elevation, as well as to keep their reckoning, by day and night, with
their distance from place to place. With respect to the Chinese, the point
in dispute is not so easily determined: it is generally imagined, that they
derived their knowledge of the compass from Europeans: but Lord Macartney,
certainly a competent judge, has assigned his reasons for believing that
the Chinese compass is original, and not borrowed, in a dissertation
annexed to Dr. Vincent's Periplus of the Erythrean Sea. At what period it
was first known among them, cannot be ascertained; they pretend that it was
known before the age of Confucius.
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