An analysis of the electrical fire; setting forth, from the lecturer's own experiments, that It neither attracts, nor repels; nor is attracted, or repell'd, by Points; or, any other Way, is not material nor inherent in Bodies, nor in the Clouds, &c. Together, with an account of an uncommon effect of lightning, and dissertation on thunder clouds; shewing, That Thunder is not caused by such Clouds being impregnated with Minerals; but, by frozen or cold Ones, coming into a warm Atmosphere. Dedicated to Dr. Francklin. By Thomas Kirby.

Date:

[1777]