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jan 1, 225 - the invention of the Astrolabe

Description:

The astrolabe is an instrument to figure out local astronomy and starts in the sky, but only on land and at calm seas, it is a great tool to find latitude. it is believed it originated from greece.

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AP World timeline project.

ByNahum Zetino
11 Dec 2017
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Date:

jan 1, 225
Now
~ 1802 years ago
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