Islettes plate on the rise of the Robert brothers

Polychrome earthenware plate with a hot air balloon design, circa 1783.

 This plate depicts the ascent of the Robert brothers on December 1, 1783, in the Tuileries Gardens.

 Their hydrogen-filled balloon flew to an altitude of nearly 600 meters, remained aloft for over two hours, and traveled a distance of 44 kilometers.

 They landed in Nesles-la-Vallée.