AÉROSTATION. 2 issues of Journal historique et politique, Geneva June 12 and July 10, 1784; in-12, paperback with cover. Malet Dupan's journal recalls the pioneering role played by Leibniz with his Art of Flying (June 12), in connection with the Montgolfiers' discovery. On July 10, he recounts the unfortunate experiences of Strasbourg and Avignon, reports on M. Beccard's ascent in Santo Domingo, and Mercier's construction of a fish-shaped balloon in Lyon.