INDEX 



709 



Condensers, capacity, determination 

 of, 364 



compressed gas, 353 

 mica, 360 



paraffined paper, 364 

 phase angle, determination of, 



394 



sub-divided, 354 

 Conductivity, see resistivity, 227 

 Conductivity 



of aluminum, 232 

 of copper, international stand- 

 ard, 230 

 per cent., 232 

 Conductivity bridges, 232 



Hoopes conductivity bridge, 233 

 Contact method, for wave form, 613 

 Copper, conductivity of, interna- 

 tional standard, 230 

 temperature coefficients for, 223 

 temperature correction for, 222 

 Crest voltmeter, Chubb, 700 

 Critical damping 



ballistic galvanometer, 120 

 condition for, 26 

 moving coil galvanorrieter, 38 

 Cross-section, best form of for 



Thomson galvanometer coil, 14 

 CURRENT MEASUREMENT 

 Chapter I, 1 

 ammeters, 54 

 current balance, 89 

 electrodynamometer, 72 

 galvanometers, 1 



Current, sources of, for inductance 

 and capacity measurements, 420 

 CURVE DRAWING OR GRAPHIC RE- 

 CORDING INSTRUMENTS 

 Chapter XI, see Graphic record- 

 ing instruments, 552 

 Curve tracer, Rosa, 617 

 Cyclograph, for measuring power 

 losses in insulation, 326 



D 

 Damping 



of ballistic galvanometers, 109 



Damping of ballistic galvanometers, 



critical, 120 

 of galvanometers, 25 



critical, 31 

 D'Arsonval galvanometer, moving 



coil galvanometer, 32 

 critically damped moving coil 



galvanometer, 38 

 current and voltage sensi- 

 tivity of, 41 



auxiliary damping for, 43 

 D'Arsonval-galvanometer 

 described, 32 

 magnetic damping for, 38 

 magnetic impurities in coil, 



effect of, 35 

 magnets for, 34 

 suspensions for, 36 

 temperature, effect of, 37 

 Decade and dial arrangements of 



resistance coils, 143 

 Demand indicators, 511 

 General Electric Co. 

 printometer, 525 

 type M 2 , 523 

 type W, 518 

 Ingalls, 520 

 Westinghouse Co. 

 type R.O., 526 

 Wright, 513 

 DeSauty method for comparing 



capacities, 383 

 Dial and decade arrangements of 



resistance coils, 143 

 Differential galvanometer method 

 for measuring resistances, 157 

 Kohlrausch method, overlap- 

 ping shunts, 159 

 Direct deflection method 



for comparing capacities, 369 

 for high and insulation resist- 

 ance measurement, 201 

 for resistance measurement, 1J 

 Disconnections, total, locating, 6< 

 Drysdale, C. V. 



phase shifting transformer, 5 

 phase shifting transformer, 291 



