From The Library of Congress:
Le Veritable Navigateur Aerien (circa 1790)
Hand-colored design drawing for an airship navigational system project by Stoupy Bijou consisting of five balloons fastened to a sixty foot mast, a rudder, two 12 foot long oars, and two polygonal vanes to control the rise and fall of the airship. (Source: A.G. Renstrom, LC staff, 1981-82.)
Published in: The Romance of Ballooning: the story of the early aeronauts. New York : Viking Press, , p. 62.
+ Source: Le Veritable Navigateur Aerien (circa 1790) :: Library of Congress