Credit: ©The Royal Society
    Image number: RS.18918

    Roman hypocaust, gallstone, astronomical chart

    Date
    1706
    Creator
    Unknown, Engraver
    Creator - Organisation
    The Royal Society, Publisher
    Object type
    Article identifier
    Material
    Technique
    Subject
    Description
    2 tables from issue 306 of Philosophical Transactions of the Royal Society.

    Table 1. Depiction of a Roman hypocaust; a central heating system that produces hot air from below the floor, used for heating hot baths. Includes:

    Figure 1. A plan view of the ground beneath the hypocaust.
    Figures 2, 6. Examples of the pilae stacks used to raise the hypocaust above ground.
    Figure 3. The floor of the hot bath, covered with tiles.
    Figure 4. A perspective view of the hot bath in full.
    Figure 5. The layer of cement, between the pilae stacks and tiles.

    Illustrations to ‘A description of a Roman sudatory, or Hypocaustum, found at Wroxeter in Shropshire, Anno 1701’ by John Lyster in Philosophical Transactions of the Royal Society, vol. 25, issue 306 (June 1706).

    Figure 7. Anatomical study of a gallstone, passed by stool, said to be the cause of jaundice. Illustrations to ‘A letter from Dr William Musgrave, Fellow of the College of Physicians, and R. S. To Dr Hans Sloane, R. S. Secr, concerning the jaundice, occasioned by a stone obstructing the ductus communis bilarius, which was afterwards voided by stool’ Philosophical Transactions of the Royal Society, vol. 25, issue 306 (June 1706).

    Table 2. Astronomical chart depicting a solar eclipse, as observed by Johann Jakob Scheuchzer from Switzerland (likely Zurich), in 1706. Illustration to ‘Pars epistola à cl. D. Joh. Jac. Scheuchzer, M. D. Tigur. & Societat. Reg. Lond. Soc. Ad D. Jacobum Petiver, dicta Societ. Soc. de Eclipsi Solis totali Die 12°. Maij Tiguri observatâ’ in Philosophical Transactions of the Royal Society, vol. 25, issue 306 (June 1706).

    William Musgrave (c.1655-1721), British physician, was elected a Fellow of the Royal Society in 1684, and; Johann Jakob Scheuchzer (1672-1733), Swiss naturalist, was elected a Fellow of the Royal Society in 1703.
    Related fellows
    William Musgrave (1655 - 1721, British) , Physician
    Johann Jakob Scheuchzer (1672 - 1733, Swiss) , Naturalist
    Associated place
    <The World>
       > Europe
          > Switzerland
    <The World>
       > Europe
          > United Kingdom
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