The mysteries of opium reveal'd by Dr. John Jones ... ; who, I. Gives an account of the name, make, choice, effects, &c. of opium, II. Proves all former opinions of its operation to be meer chimera's, III. Demonstrates what its true cause is, by which he easily, and mechanically explains all (even its most mysterious) effects, IV. Shews its noxious principle, and how to separate it, thereby rendering it a safe, and noble panacea, whereof, V. He shews the palliative, and curative use.
Jones, John, 1645-1709.
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From the College of Physicians, Oct. 5. 1700.
Mr. Smith,
I Have Read the Book you sent me, which, for the great Discoveries con∣tain'd therein, is justly En∣titled, The Mysteries of O∣pium Reveal'd: It has no need of Mine, nor of any other Approbation: For such Extraordinary Performances, as this is, are more secure of a Kind Reception in the World by their own great Worth, and Usefulness to the Publick, than by any other Recommendation what∣soever.
Yours, THOMAS BURWELL.
