| Show WORLDS WATER POWER the capacity of the waterwheels water wheels in the constructed plants of the world according to estimates by the U S geological survey was horsepower in 1920 it in 1923 in 1926 in 1930 in 1934 in 1936 in in 18 years the increase has ha been nearly per cent the ten countries leading in developed water power and the installed vF pacify in horsepower of water wheels in each recording cording Fc to these estimates were as follows 1 united states 2 canada 3 italy 4 franca franc 54 5 japan 6 germany 7 norway 8 S 9 sweden 22 coco 10 union of soviet socialist republics 1631 |