Direction des ballons. Notes sur le ballon et l'appareil de direction et d'aviation inventé et construit par J.-C. Pompéien-Piraud, ingénieur aéronautes

First edition.
With a frontispiece engraving depicting the 'balloon and its directional apparatus' built by Pompéien-Piraud. Synoptic table of various weights and wing surfaces of birds at the end. Cover with an engraved vignette representing a sort of locomotive with wings and a tail resembling those of a bird.
Handsome copy. Pamphlet published at the author's expense, of the utmost rarity.