Philipp Matthäus Hahn
Inventor
1739 – 1790
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Who was Philipp Matthäus Hahn?
Philipp Matthäus Hahn was a German priest and inventor.
In about 1763 he devised a precision sundial, or heliochronometer that incorporated the correction for the equation of time.
In 1773 he designed one of the earliest mechanical calculators of which two are known to have survived to the present day. A renowned clockmaker, several horological museums display his works, including the Deutsches Uhrenmuseum which contains a mechanical orrery and a Weltmaschine by the "Priestermechaniker".
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