Understanding the workings of the heavens gave the ancient navigators an anchor in time from which one could calculate an estimated location on a map. Many scientists originally thought the Antikythera Mechanism, which is believed to be 2000 years old, was a piece of navigational equipment.
Little did they know it would be one of the most important scientific measuring devices ever discovered.
This video describes its shipwreck origins.
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The Antikythera Mechanism is the earliest preserved portable astronomical calculator, calculating the Sun, Moon and likely the positions of the inner planets which were known in antiquity.
The mechanism was used to predict solar and lunar eclipses.
This video shows how the gear assembly works – fantastic !
Saturn = time
Uranus = machines
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peace & patience
with love
GMA
Gneiss Moon Astrology 
Tom Wujec: Learn to use the 13th-century astrolabe
Mathematics that gave scientists the eureka moments – love it !
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