Credit: ©The Royal Society
    Image number: RS.15021

    Design of telescope

    Date
    7 March 1673
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    LBC
    Manuscript page number
    vol6 p80
    Material
    Dimensions
    height (page): 304mm
    width (page): 177mm
    Subject
    Content object
    Description
    Diagram of telescope and sight in a letter from Isaac Newton dated 7 March 1673 to John Collins, to be sent on to James Gregorie.

    A represents the great concave,
    E the Eye-glass,
    BCD a prism of glass or crystal whose sides BC & BD are not flat, but spherically convex.

    This diagram is copied from LBO/6/071.
    Related fellows
    Isaac Newton (1642 - 1727, British) , Natural philosopher
    David Gregory (1659 - 1708, British) , Astronomer, Astronomer
    John Collins (1936, American) , Mathematician
    Associated place
    <The World>
       > Europe
          > United Kingdom
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