Includes information on seven premiums offered by the society for the best entries in the following categories: system of liberal education, method for computing longitude by lunar observation, improvement of a ship's pump, improvement of stoves, method of preventing premature decay of peach trees, experimental treatise on vegetable dyes, and improvement of lamps. Also includes a notice of the conditions of the Magellanic premium. Note at base of this broadside requests printers of "newspapers and other periodical publications, in the United States and in Europe" to "republish the above information." Signed in type by W[illiam] Barton and John Bleakley, secretaries of the American Philosophical Society.
