Webster, J., & Patterson, R. (1808). Elements of natural philosophy: Explaining the laws and principles of attraction, gravitation, mechanics, pneumatics ... with a general view of the solar system. Philadelphia: B. and T. Kite.

Elements of natural philosophy : Explaining the laws and principles of attraction, gravitation, mechanics, pneumatics ... with a general view of the solar system / by John Webster; with notes and corrections, by Robert Patterson . — Philadelphia : B. and T. Kite, 1808. — 1 Online-Ressource (Includes files in TIFF, GIF and PDF formats with inclusion of keyword searchable text); ill. — (Early American Imprints. Series II : Shaw/Shoemaker 1801-1819)