820 INDEX 



PAGE 



Turbines, efficiency 211, 789 



erosion 233 



flywheel effect 327 



gate mechanism 235 



history of developments 1,9 



horizontal 227, 242 



housing 246 



impulse 204 



lubrication 338 



mechanical design 226, 242 



nozzles 241, 245 



number of units and capacity 204 



over-speed 226 



reaction 202 



regulation 140, 220 



runners 231, 242, 244 



selection of type 204 



speed, actual 214 



speed regulation 140. 220 



speed rings % 237 



speed, specific 206 



speed variations , 202, 204 



test 217, 788 



vertical 229, 242 



wicket gates 236 



windage and friction 791 



U 

 Unloading of apparatus 194 



V 



Valves. See also Gates 144 



air 128, 157 



gate 148 



Johnson hydraulic 156 



operation and control 149 



pivot 155 



relief 141, 221, 251, 258 



Velocity of water 106, 107, 116, 798 



canals 106 



flumes 110 



pipe lines 114, 246 



tunnels 113 



Ventilation, generators 173, 345 



power-house 173 



