had but very imperfect hints of Dr. Black’s theory of fire.… Chemistry seems to be the only branch of philosophy that can be said to be in a progressive state here, although other branches are neither ill taught nor ill studied. I never considered Dolland’s telescopes till I came here. I think they open a new field in optics which may greatly enrich that part of philosophy.… I find a variety of things here to amuse me in the literary world, and want nothing so much as my old friends, whose place I cannot expect at my time of life to supply. I think the common people here and in the neighbourhood greatly inferior to the common people with you. They are Bœotian in their understandings, fanatical in their religion, and clownish in their dress and manners. The clergy encourage this fanaticism too much, and find it the only way to popularity. I often hear a gospel here which you know nothing about; for you neither hear it from the pulpit nor will you find it in the Bible. What is your Philosophical Society doing? Still battling about D. Hume? or have you time to look in?… I believe you do not like to be charged with compliments, otherwise I would desire of you to remember me respectfully to Sir Archibald Grant, Sir Arthur and Lady Forbes, and others of my country acquaintances, when you have occasion to see them.'
In another letter to Dr. David, written about Christmas in his second winter, we find that—
'Mr. Watt has made two small improvements in the steamengine.[1] [These are minutely described.] … I have attended Dr. Black’s lectures. His doctrine of latent heat is the only thing I have yet heard that is altogether new. And indeed I look upon it as a very great discovery.… I have not met with any botanists here. Our College is considerably more crowded than it was last session. My class indeed is much the same as last year, but all the rest are better. I believe the number of our students of one kind or another may be between four and five hundred. But the College at Edinburgh is increased this year much more than we are. The Moral Philosophy class there is more than double ours. The Professor,
- ↑ Watt began those experiments in Glasgow about 1763.