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The Astrolabe – what it is, and how to make one

Before the 17th century the premier astronomical instrument was the astrolabe,
an early ancestor of the slide rule, theodolite and planetarium.

In a time before pocket watches it allowed the user to tell the time, but it could also
predict astronomical events and perform calculations in spherical geometry.

This short presentation will show some simple uses for astrolabes as well as
how to design and make your own.

Steve Hawtin will give a 30 minute talk on “The Astrolabe” during the open evening on July 10th at Basingstoke Makerspace, starting around 7:30pm

 

 

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