Liquid fueled rocket, Robert H Goddard, Rare Video
Rocket Experiments By Dr Robert H Goddard (1926-1945)
The Greatest Genius of the Space Age: Dr. Robert Goddard (720p)
American physicist Robert H. Goddard successfully tests his first rocket propelled by liquid fuel in a field in Auburn, Mass. His rocket reached altitude of 12.5 meters than leveled off and within 2.5 seconds hit cabbage field 56 meters away. Liquid-propellant rocket is advantageous because they allow high mass ratio for the rocket.