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Fortunat Mueller-Maerki

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Fig. 10: The sun pointer moving evenly on the eneven moving celestial globe to account for the equation of time on the BAldewein Planetenlaufuhr in Dresden

© 2008 Mathematisch-Physikalischer Salon, Staatliche Kunstsammlungen Dresden , Used in this article with permission of the copyright owner. It may not be further reproduced, and the copyright for all pictures remains with the museum in Dresden
 

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