Nesles-la-Vallée
Videos
Nesles-la-Vallée is a commune in the Val-d'Oise department in Île-de-France in northern France.
The town hall and war memorial of Nesles-la-Vallée
Robert brothers
Videos
Les Frères Robert were two French brothers. Anne-Jean Robert and Nicolas-Louis Robert were the engineers who built the world's first hydrogen balloon for professor Jacques Charles, which flew from cen
The world's first manned hydrogen balloon flight. 1783
The balloon built by Jacques Charles and the Robert brothers is attacked by terrified villagers in Gonesse.
Contemporary illustration of the first flight by Prof. Jacques Charles with Nicolas-Louis Robert, 1 December 1783. Viewed from the Place de la Concorde to the Tuileries Palace (destroyed in 1871)
Meusnier's dirigible