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jan 1, 200 BC - Astrolabe

Description:

Astrolabe: An astrolabe is a device historically used by astronomers and navigators to measure the inclined position in the sky of a celestial body, day or night

Added to timeline:

hilbert project

Byananeya
21 Nov 2017
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388

Date:

jan 1, 200 BC
Now
~ 2227 years ago

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