Thomas Ewell to Thomas Jefferson, 9 November 1805
From Thomas Ewell
G Town 9th Novr. 05—
Dr. Ewell takes the liberty to enclose for his Excellency Mr. Jefferson a copy of Dr. Hartshorne’s inaugural Essay. Should the President not be disposed to read the whole—between the 28th and last pages he will find those experiments related which shew how destructive the oxygenated M. acid is to animals, and the consequent danger attendant on it’s use, as advised by the French chemists.
RC (MHi); at foot of text: “To his Excellency Mr. Jefferson”; endorsed by TJ as received 11 Nov. and so recorded in SJL. Enclosure: Joseph Hartshorne, An Inaugural Essay on the Effects Produced by Air Upon Living Animals (Philadelphia, 1805), which includes a section “On the Respiration of the Oxygenated Muriatic Acid,” 28-31.