Montgolfier brothers
Videos
The Montgolfier brothers – Joseph-Michel Montgolfier and Jacques-Étienne Montgolfier – were aviation pioneers, balloonists and paper manufacturers from the commune Annonay in Ardèche, France. They inv
Joseph montgolfier
Jacques Étienne Montgolfier
First public demonstration in Annonay, 4 June 1783
A 1786 depiction of the Montgolfier brothers' historic balloon with engineering data. Translated details are available on the image hosting page.
Hydraulic ram
Videos
A hydraulic ram pump, ram pump, or hydram is a cyclic water pump powered by hydropower. It takes in water at one "hydraulic head" and flow rate, and outputs water at a higher hydraulic head and lower
Montgolfier brothers
…aérostatique, which launched the first confirmed piloted ascent by humans in 1783, carrying Jacques-Étienne. Joseph-Michel also invented the self-acting hydraulic ram (1796) and Jacques-Étienne founded the first paper-making vocational school. Together, the brothers invented a process to manufacture transparent paper…
Valve arrangement of the Papa hydraulic ram pump
A John Blake's hydram that drives a fountain at the Centre for Alternative Technology
Hydraulic ram, System Lambach now at Roscheider Hof Open Air Museum