Credit: ©The Royal Society
    Image number: RS.18671

    Grinding apparatus

    Unknown, Engraver
    Creator - Organisation
    The Royal Society, Publisher
    Object type
    Article identifier
    height (page): 213mm
    width (page): 150mm
    Content object
    2 figures from issue 87 of The Philosophical Transactions of the Royal Society, depicting 2 types of metal grinders.

    Figure I. Profile view of the main body of a grinder, showing the axis and handle [above], and the pestle and mortar mechanism [below].
    Figure II. Profile view of a table top version of the same machine.

    Illustrations to ‘An extract of a Latin epistle of Dr. Joel Langelot […] Wherein is represented, that by three chymical operations,digestion, fermentation and triture, or grinding, (hitherto, in the authors opinion, not sufficiently regarded) many things of admirable use may be performed’ in Philosophical Transactions of the Royal Society, vol. 7, issue 87 (14 October 1672).

    Joel Langelott (1617 – 1680), German physician and alchemical writer, was not a Fellow of the Royal Society.
    Associated place
    <The World>
       > Europe
          > Germany
    <The World>
       > Europe
          > United Kingdom
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