The Ladrones were discovered by Magellan
in 1521. The New Philippines, or Carolinas, were first made known by the
accidental arrival of a family of their natives at the Philippines in 1686.
Easter island, a detached and remote country, which, however, is inhabited
by the Polynesian race, was discovered by Roggewein in 1686.
Having thus exhibited a brief and general sketch of the progress of
discovery, from the period when the Portuguese first passed the Cape of
Good Hope to the beginning of the eighteenth century, we shall next, before
we give an account of the state and progress of commerce during the same
period, direct our attention to the state of geographical science in the
sixteenth and seventeenth centuries.
We have already stated that the astrolobe, which had been previously
applied only to astronomical purposes, was accommodated to the use of
mariners by Martin Behaim, towards the end of the fifteenth century. He was
a scholar of Muller, of Koningsberg, better known under the name of
Regiomontanus, who published the Almagest of Ptolemy. The Germans were at
this time the best mathematicians of Europe. Walther, who was of that
nation, and the friend and disciple of Regiomontanus, was the first who
made use of clocks in his astronomical observations. He was succeeded by
Werner, of Nuremberg, who published a translation of Ptolemy's Geography,
with a commentary, in which he explains the method of finding the longitude
at sea by the distance of a fixed star from the moon.
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