Credit: ©The Royal Society
    Image number: RS.15466

    Diagram of an estimation of the size of Earth

    Date
    1662
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p4
    Material
    Dimensions
    height (page): 297mm
    width (page): 190mm
    Subject
    Description
    Diagram in notes taken from a section on measuring the size of the Earth in Giambattista Riccioli's Geographiae et hydrographiae reformatae, nuper recognitae et auctae libri duodecim (1661). At the meeting on 20 August 1662, Henry Oldenburg was asked to study Riccioli's argument for determining the size of the Earth.
    Transcription
    De investiganda globi terraquei magnitudine
    Transcribed by the Making Visible project
    Object history
    20 August 1662, ‘Mr. Oldenburg to peruse Ricciolus concerning the mensuration of the earth; and to compare what that author hath said of the several methods thereof in his Almagestum with what he hath said in his Geographia and Hydrographia’ (Birch 1:105-06).

    G. B. Riccioli, Almagestum Novum (Bologna: Heirs of Vittorio Benacci, 1651), part 2, p. 590.
    G. B. Riccioli, Geographiae et hydrographiae reformatae, nuper recognitae et auctae libri duodecim (Bologna: Heirs of Vittorio Benacci, 1661), book 5: 'De trina quantitate globi terrae aquei', p. 149.
    Associated place
    <The World>
       > Europe
          > United Kingdom
    <The World>
       > Europe
          > Italy
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