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sep 30, 400 BC - Cross Staff

Description:

A Cross Staff was a navigational tool that was used to take the altitude. It was invented by the Chaldeans. started to be used in 1514 as a navigational tool.

Added to timeline:

Aaliyah Lopez

ByAaliyah Lopez
4 Nov 2017
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458

Date:

sep 30, 400 BC
Now
~ 2428 years ago

Images:

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