INDEX 807 



PAGE 



Exciters, method of drive 353 



separate excitation 350 



shunt vs. compound wound 352 



speed 353 



voltage 351 



Expansion joints for pipe lines 128 



F 



Field control 552 



Field discharge switches 554 



Field rheostats 556 



Financial aspects 644 



Fish ways 99 



Flashboards 91 



Float method of stream flow measuring 65 



Flood gates 91 



Floods, prevention 22 



Flow of water, canals 106 



flumes, 110 



pipe lines 1 14, 121 



tunnels 113 



Flow-summation curve 685 



Flumes 110 



concrete Ill 



wood Ill 



steel 112 



Flux, leakage 286, 377 



Flywheel effect 247, 321, 327 



Foundations, power house 168 



Francis formula 795 



Freezing of water in pipe lines 129 



Frequency 273 



effect on generators 275 



illumination 280 



induction motors 277 



railroad electrification 279 



synchronous converters 278 



transformers 275 



transmission lines 276 



Frequency changers 274 



Frequency, high 596 



absorbers 602 



indicators 543 



Friction, losses in pipe lines 116 



coefficient 106, 117 



Fuel resources in United States. . 13 



