History of Science

Who invented the compass?

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2016-11-11 03:18:32

The Chinese. The earliest recorded actual use of a magnetized

needle for navigational purposes is to be found in Zhu Yu's

book Pingzhou Table Talks (�洲��; Pingzhou Ketan) of

1119 (written from 1111 to 1117): The navigator knows the

geography, he watches the stars at night, watches the sun at day;

when it is dark and cloudy, he watches the compass. Thus, the

use of a magnetic compass as a direction finder occurred sometime

before 1044, but evidence for the use of the compass as a

navigational device did not appear until 1119.

The mathematical compass was invented by Galileo

But who invented it

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