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On Monday, March 23, I found him busy, preparing a fourth edition of his folio Dictionary. Mr. Peyton, one of his original amanuenses, was writing for him. He seemed also to be intent on some sort of chymical operation. I was entertained by observing how he contrived to send Mr. Peyton on an errand, without seeming to degrade him. 'Mr. Peyton, Mr.

But divers of our Friends that are not acquainted with Chymical Operations have thought it very strange that a White Body, and a Dry one too, should immediately acquire a rich new Colour upon the bare affusion of Spring-Water destitute as well of adventitious Salt as of Tincture.

Among the Experiments that tend to shew that the change of Colours in Bodies may proceed from the Vary'd Texture of their Parts, and the consequent change of their Disposition to Reflect or Refract the Light, that sort of Experiments must not be left unmention'd, which is afforded us by Chymical Digestions.

This work, apparently written in 1649, bore the title "An Invitation to a free and generous communication of Secrets and Receits in Physick," and appeared anonymously in 1655 as part of a volume entitled Chymical, Medicinal and Chirurgical Addresses Made to Samuel Hartlib, Esquire. For our purposes, it is significant as emphasizing his early interest in medicine.

And he answered me just thus: that he ought to have a care of him that do the King's business in the manner that I do, and words of more force than that. Then down with Lord Brouncker to Sir R. Murray, into the King's little elaboratory, under his closet, a pretty place; and there saw a great many chymical glasses and things, but understood none of them.

On this occasion he pronounced an oration upon the use of mechanicks in the science of physick, in which he endeavoured to recommend a rational and mathematical inquiry into the causes of diseases, and the structure of bodies; and to show the follies and weaknesses of the jargon introduced by Paracelsus, Helmont, and other chymical enthusiasts, who have obtruded upon the world the most airy dreams, and, instead of enlightening their readers with explications of nature, have darkened the plainest appearances, and bewildered mankind in errour and obscurity.

Then down with Lord Brouncker to Sir R. Murray, into the King's little elaboratory under his closet; a pretty place; and there saw a great many chymical glasses and things, but understood none of them. 16th. Mr. Wren thinks that the Parliament is likely to meet again, the King being frighted with what the Speaker hath put him in mind of, his promise not to prorogue, but only to adjourne them.

Jan. and Feb. 1782. Thrice. 50 ounces. Post, Feb. 4 and March 20, 1782. May 1782. At least once. Post, under March 19, 1782, and Piozzi Letters, ii. 240. Yet he wrote to Mrs. Thrale, 'I am of the chymical sect, which holds phlebotomy in abhorrence. Ib. ii. 240.

And he answered me just thus: that he ought to have a care of him that do the King's business in the manner that I do, and words of more force than that. Then down with Lord Brouncker to Sir R. Murray, into the King's little elaboratory, under his closet, a pretty place; and there saw a great many chymical glasses and things, but understood none of them.

He was conveyed to the chamber of the alchymist, who now repaid in kind the attentions which the student had once bestowed upon him. Among his varied knowledge he possessed some skill in surgery, which at this moment was of more value than even his chymical lore. He stanched and dressed the wounds of his disciple, which on examination proved less desperate than he had at first apprehended.