Gorman, Michael: Athanasius Kircher's Magnetic Clock. Internet-Veröffentlichung. Stanford, CA: Stanford University, 2001. [http://www.stanford.edu/%7Emgorman/kircher/history.html.]
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Gorman, Michael: Athanasius Kircher's Magnetic Clock. Internet-Veröffentlichung. Stanford, CA: Stanford University, 2001. [http://www.stanford.edu/%7Emgorman/kircher/history.html.] |
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