Philosophical essays on the following subjects: I. On the principles of mechanics. II. On the ascent of vapours, the formation of clouds, rain and dew, and on several other phænomena of air and water. III. Observations and conjectures on the nature of the aurora borealis, and the tails of comets. By Hugh Hamilton, D.D. F.R.S. professor of philosophy in the University of Dublin.

Date:

1766