This volume was presented to Benjamin Franklin, and contains chapters on electricity, fire, air, water, earth, and earthquakes.

This essay is accompanied by another, written two years earlier, entitled, "Consideration of the means by which the present highly advanced state of learning and civilisation in Europe can be most effectually communicated to the rest of the world and to our Indian empire in particular; Kotah, May 21,1830."

These manuscripts include versions of "Cinq-Mars," "Stello," and "Poemes." The manuscripts on these microfilm reels were compiled by Irving Massey from originals in the Musee Condé, and in a private collection in France.

The correspondence is written chiefly from Priestley in America (1790-1802). The printed works include Priestley's "Syllabus of a Course of Lectures on the Study of History" (1765), John Aikin's "Heads of Chemistry" (1781), and a catalog of books belonging to the Warrington Academy (1775).

There are two essays, one on the trees of North America, the other on a project of a nursery of foreign trees and plants in the vicinity of Bayonne; with accompanying letters.

These papers consist chiefly of essays presented by the members, with such titles as "Ambition," "On Avarice," "State of Literature in the United States," and "Consequences of the French Revolution." Also included are several letters, including one from Benjamin Say, Jr.

This volume, written between May 3 and December 2, includes essays on mineralogy, the vegetable kingdom (such as botany and fruitification), and the animal kingdom (such as zoology, ornithology, and generation of animals).

The first volume contains mathematical problems, which appear to be college exercises (1814); the second volume is an essay on the projection of the sphere and spherical trigonometry, including an appendix on astronomy (1812); and the third volume is a lecture on natural philosophy, apparently prepared for delivery [n.d.].

These manuscripts are in the hand of various unknown authors, and concern research and observations on the torpedo fish, which was of much interest to those studying electricity at the time. Included are copies of letters from John Walsh to Benjamin Franklin, and a copy of a Walsh and Thomas Pennant letter, read before the Royal Society (1774), concerning a torpedo fish found off the coast of England.