Inscriptions and lodestone specimen

    Date
    1712
    Creator
    Unknown, Engraver
    Object type
    Article identifier
    Material
    Technique
    Subject
    Physics
       > Optics
          > Microscopy
    Earth Sciences
       > Geology
    Description
    Four figures from issue 335 of Philosophical Transactions of the Royal Society.

    Figures 1-2. Copies of the inscriptions on various parts of Caerphilly Castle, South Wales, including: mason’s mark from the stone arches (Fig 1) and the mason’s mark on a sculpture in the round tower (fig 2).
    Figure 3. Encrinus fossils, an extinct genus of crinoids, found in Wales.

    Illustrations to ‘III. A letter from the late Mr. Edward Lhwyd, keeper of the Ashmolean Museum in Oxford, to Dr. Tancred Robinson, F. R. S. Giving a farther account of what he met with remarkable in natural history and antiquities, in his travels thro’ Wales’ in Philosophical Transactions of the Royal Society, vol. 27, issue 335 (September 1712).

    Figure 4. Lodestone specimen used by Francis Hauksbee in his investigations into its magnetic force.

    Illustrations to ‘V. An account of experiments concerning the proportion of the power of the load-stone at different distances’ in Philosophical Transactions of the Royal Society, vol. 27, issue 335 (September 1712).

    Edward Lhuyd (1660-1709), British naturalist and philologist, was elected a Fellow of the Royal Society in 1708, and; Francis Hauksbee (bap. 1660, d. 1713), British natural philosopher and scientific instrument maker, was elected a Fellow of the Royal Society in 1705. Four figures from issue 335 of Philosophical Transactions of the Royal Society.
    Related fellows
    Edward Lhuyd (1660 - 1709, British) , Naturalist and Antiquary, Naturalist
    Francis Hauksbee (1688 - 1763, British) , Natural philosopher
    Associated place
    <The World>
       > Europe
          > United Kingdom
    Credit
    ©The Royal Society
    Image number
    RS.18939
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