Credit: ©The Royal Society
    Image number: RS.17106

    On the qualities of material particles

    Date
    20 April 1646
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    v2 p69
    Material
    Dimensions
    height (page): 206mm
    width (page): 163mm
    Subject
    Description
    A letter from René Descartes (1596-1650) to Marin Mersenne (1588-1648), dated on 20 April 1646 in Egmond in the Netherlands.

    Descartes is discussing the quality ('proprietas') of material particles in the earth, and in between the earth and the sun.

    From a set of albums known as Collectanea Newtoniana, a selection of prints, original artwork and manuscripts relating to Newton, collected by Charles Turnor (1768-1853). Turnor was an astronomer, collector and Fellow of the Royal Society. He owned Woolsthorpe Manor (Newton’s birthplace).
    Related fellows
    Isaac Newton (1642 - 1727, British) , Natural philosopher
    Associated place
    <The World>
       > Europe
          > Netherlands
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