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Updated: October 29, 2026
But not to be confined to that alone, for you must know I have a book for the pocket,* which I always carry with me, into which I have extracted the essence of Fourcroy's Lectures, Black on Quicklime, Scheele's Essays, Watson's Essays, and various points from the letters of my respected friend Dr. Irving.* So much for chemistry.
I have bought his 'Experiments on Magnesia and Quicklime, and also Fourcroy's Lectures, translated from the French by one Mr. Elliot, of Edinburgh. And I am determined to study the subject with unwearied attention until I attain some accurate knowledge of chemistry, which is of no less use in the practice of the arts than it is in that of medicine."