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The earliest recorded actual use of a …
Years: 1119 - 1119
The earliest recorded actual use of a magnetized needle for navigational purposes is recorded in Zhu Yu's book Pingzhou Table Talks, written from 1111 to 1117 and published in 1119.
Use of the magnetic navigational needle will lead to the development of a reliable compass.
Zhu Yu also writes of the earliest known use of separate hull compartments in ships.
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Years: 1119 - 1119
Locations
People
Groups
Subjects
Regions
Subregions