Hygrometer, purpura shell and microscopic studies of bacteria and skin cells

    Date
    1693
    Creator
    Unknown, Engraver
    Creator - Organisation
    The Royal Society, Publisher
    Object type
    Article identifier
    Material
    Technique
    Dimensions
    width (paper): ?mm
    height (paper): ?mm
    Subject
    Physics
    Physics
       > Optics
          > Microscopy
    Biology
       > Zoology
    Content object
    Description
    Five figures to issue 197 of the Philosophical Transactions of the Royal Society.

    Fig. 1. Apparatus used to determine the salt content of ‘common’ water using the principles of hydrostatics, comprising of a balance or beam, float here styled the ball of poise, the cistern or vessel containing the water and the scale for the weights to counterpoint it. Illustration to An account of the Honourable Robert Boyle’s way of examining waters as to freshness and saltness. published in Philosophical Transactions of the Royal Society, vol. 17, issue 197 (Feb 1693), pp. 627-641.

    Fig. 2-4 Microscopic studies including bacteria from between the teeth, the substance extracted from a blocked hair follicle and the structure of human dead skin cells, described like scales of a fish. Illustrations to An extract of a letter from Mr. Anth, Van Leuwenhoek, concerning animalcules found on the teeth; of the scaleyness of the skin, &c. published in Philosophical Transactions of the Royal Society, vol. 17, issue 197 (Feb 1693), pp. 646-649.

    Fig. 5 Conchological study of a purpura shell, possibly the marine mollusc Hexaplax trunculus, which secretes a purple mucus used in dye. Illustration to Three queries relating to shells proposed by Mr. Samuel Dale, and answered by Dr. Martyn Lister. R.S.S. published in Philosophical Transactions of the Royal Society, vol. 17, issue 197 (Feb 1693), pp. 641-645.
    Related fellows
    Martin Lister (1639 - 1712, British) , Physician
    Antoni van Leeuwenhoek (1632 - 1723, Dutch) , Natural philosopher
    Robert Boyle (1627 - 1691, British) , Natural Philosopher and Chemist, Natural philosopher
    Associated place
    <The World>
       > Europe
          > United Kingdom
    <The World>
       > Europe
          > Netherlands
    Credit
    ©The Royal Society
    Image number
    RS.19025
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