Scarce early volume from this noted American learned society. Contents includes the text of several letters from Benjamin Franklin on the subjects of the formation of the earth, paper making in the Chinese manner, and Magnetism. Other contributors include William Barton, Benjamin Rush, Benjamin Smith Barton, David Rittenhouse, etc. Inscribed by the Society President on front free endpaper: "Mr. Genet from his Friend, D. Rittenhouse."