Philosophical essays on the following subjects : I. On the ascent of vapours, the formation of clouds, rain and dew, and on several other phoenomena of air and water, II. Observations and conjectures on the nature of the aurora Borealis, and the tails of comets, III. On the principles of mechanics / Hugh Hamilton.

Licence: Public Domain Mark

Credit: Philosophical essays on the following subjects : I. On the ascent of vapours, the formation of clouds, rain and dew, and on several other phoenomena of air and water, II. Observations and conjectures on the nature of the aurora Borealis, and the tails of comets, III. On the principles of mechanics / Hugh Hamilton. Source: Wellcome Collection.