INDEX 



719 



WAVE FORM, DETERMINATION OF 

 electrostatic tube, 647 

 integrating methods, 624 

 oscillograph, 629 

 theory of, 638 

 electrostatic, 641 

 Wave meter, General Electric Co., 



621 

 Wennor, F. 



adjust incut of Thomson bridge, 



199 



speed controller. l:;J 

 \\.-tinghouse 



' demand indicator, RO, .YJt> 

 frequency meter induction, 550 

 harmonic analyzer, 666 

 power factor meter, 538 

 voltmeter, curve drawing, 558 

 WestoD 



ammeter, moving coil, 55 

 frequency meter, 551 

 soft iron instruments, 71 

 standard cell. 2'.)S 

 synchroscope, 542 

 voltmeter, moving coil, 236 

 wattmeter, polyphase correc- 

 tion for interference of ele- 

 ments, 333 

 \\ heatstone l.ridgr, 162 



best position for galvano- 

 meter, 185 



Wheatstone bridge, best resistance 

 for Thomson galvanometer 

 used with, 184 



bridge tops, examples of, 107 

 calibration of bridge or resist- 

 ance box, 170 

 compensation for large 



thermo e.m.f., 172 

 galvanometer, current in, 183 

 sensitivity attainable with, 



187 

 Wheatstone bridge, slide wire 



form, 172 



extension coils for, 174 

 Whitehead and Gorton, arrange- 

 ment for measuring peak voltage, 

 700 



Wien bridge, for determining capac- 

 ity and phase angle condenser, 393 

 Wilson, method for measuring in- 

 ductance, 414 



Y box, star box, for use in measure- 

 ment of balanced three-phase 

 power, 338 



Zeleny, discharge key, 372 



PROPLRTY OF ELCl 



FACULTY OF APPLIED SCltNCt. 



