Histoire des ballons, et des diverses ascensions qui ont eu lieu jusqu'e ce jour. Broadside depicts two airship designs conceived by Ernst (Ernest) Petin, incorporating four spherical balloons propelled by manually operated helical screws attached to a large flat surface, the lower part providing promenade decks for passengers. Surrounding text documents the history of ballooning from the Montgolfier brother's flight in 1783 to a description of Petin's airships, ca. 1850. (Source: AG Renstrom, LC staff, 1981-82.). Date 1851?.