Credit: ©The Royal Society
    Image number: RS.18683

    Watch mechanism and lunar eclipse

    Date
    1675
    Creator
    Unknown, Engraver
    Creator - Organisation
    The Royal Society, Publisher
    Object type
    Article identifier
    Material
    Technique
    Dimensions
    height (page): 213mm
    width (page): 150mm
    Subject
    Content object
    clothing
       > accessory
          > pocket watch
    space
       > Solar system
          > Moon
    Description
    2 figures from issue 113 of Philosophical Transactions of the Royal Society.

    Figure 1. View of the mechanics of a pocket watch designed by Godfrey Leibniz, showing the upper plate, barrels and wheels. Illustrates ‘An extract of a letter of the learned Dr. Gotofredus Guil. Leibnitz, concerning the principle of exactness in the portable watches of his invention’ in Philosophical Transactions of the Royal Society, vol. 10, issue 113 (26 March 1675).

    Figure 2. Diagram illustrating the eclipse of the moon as observed by Johnnes Hevelius in January 1675. Illustrates ‘Observatio Eclipseos Lunae totalis cum occultationibus quarundam Fixarum, habita a Joh […]’ in Philosophical Transactions of the Royal Society, vol. 10, issue 113 (26 March 1675).
    Related fellows
    Gottfried Wilhelm von Leibniz (1646 - 1716, German) , Natural Philosopher
    Johannes Hevelius (1611 - 1687, German/Polish) , Astronomer
    Associated place
    <The World>
       > Europe
          > Germany
    <The World>
       > Europe
          > Poland
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