the son (or grandson) of Matthew Jones of Pen-tyrch, Glamorganshire, he was educated at Jesus College, Oxford, of which he was successively scholar and Fellow. He took the degrees of B.A. (1666), M.A. (1670), B.C.L. (1673), and D.C.L. (1677). He was licensed to practice medicine in 1678 and did so at Windsor. He was admitted licentiate of the College of Physicians in 1677, and appointed chancellor of Llandaff cathedral in 1691. He published a Latin treatise on fevers in 1683, and in 1700 a work on The Mysteries of Opium Revealed, which is described as ' extraordinary and perfectly unintelligible.' He invented a clock ' which moved by the air, equally expressed out of bellows of a cylindrical form, falling into folds in its descent, much after the manner of paper lanterns.' He was licensed on 29 August 1678 to marry Mary Starkey of New Windsor. He died 22 August 1709 and is buried near the west door of Llandaff cathedral.
Published date: 1959
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