Credit: ©The Royal Society
    Image number: RS.14425

    Thermometer

    Date
    1700
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p59
    Material
    Dimensions
    height (page): 367mm
    width (page): 230mm
    Subject
    Content object
    Description
    Figure of a thermometer for measuring the coldness of mixtures of different salts. The paper, which was an extract from Etienne Geoffroy's presentation at the Royal Academy of Sciences in Paris (21 April 1700), was read to a meeting of the Royal Society on 11 December 1700 and published in Philosophical Transactions vol. 22, no. 274 (1701), pp. 951-62.
    Transcription
    Thermometre d'air, dont l'effect est beaucoup plus promp que celuy des Thermometres ordinares
    Transcribed by the Making Visible project
    Object history
    11 December 1700, 'There was read a Paper of Mr Geoffrey, being several Experiments tried by him, to shew the Cold coming from the mixture of several sorts of salts' (JBO/10/206).

    E. F. Geoffroy, ‘Observations Upon the Dissolutions and Fermentations Which We May Call Cold, because They are Accompanied with a Coolness of the Liquors into Which They Pass. And of a New Thermometer’ Phil. Trans. vol. 22, no. 274 (1701), pp. 951-62 (explanation of instrument at p. 961).
    Related fellows
    Etienne Francois Geoffroy (1672 - 1731, French) , Physician
    Associated place
    <The World>
       > Europe
          > France
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