Diary of John Quincy Adams, volume 2
1786-06-06
Mr. Williams gave us another Lecture upon heat; and introduced a new System of his own. But the heat being increased in the Chamber, by a small fire, which was necessary for making the experiments, and by the breath of an hundred Persons, as-46sembled in it, became almost insupportable, Thompson fainted completely, and was carried away to his chamber.