Original: In 1879 , Lester Pelton ( 1829-1908 ) , experimenting with a Knight Wheel , developed a double bucket design , which exhausted the water to the side , eliminating some energy loss of the Knight wheel which exhausted some water back against the center of the wheel .
Simplified: In 1879 , Lester Pelton , experimenting with a Knight Wheel , developed a double bucket design , which exhausted the water to the side , eliminating some energy loss of the Knight wheel which exhausted some water back against the center of the wheel .