In NUMBER@1 , PERSON@1 -LRB- NUMBER@2 -RRB- , 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 .

In NUMBER@1 , PERSON@1 , 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 .
