Astrolabe: An Instrument With a Past and a Future
Provides photographs, diagrams, and the history of the astrolabe, an instrument used by early astronomers for solving problems relating to time and the position of the stars.
www.astrolabes.org
Astrolabes
History of the astrolabe, including modules and templates that show how to build one.
www.ifa.hawaii.edu/tops/astlabe.html
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