This collection comprises a single manuscript volume containing a novel entitled "Un Voyage aérien; dans cinquante ans," written by Eugène Farcot, a French scientist and engineer known especially as a clockmaker but with a strong interest in aeronautics. The novel describes a fantastic voyage, set fifty years in the future in 1914, to Africa in a large, steam-powered dirigible airship. The novel has 13 chapters; each chapter is foliated separately.