SUBJECT INDEX 



317 



Electrical transducers, responding, 

 to surface charges, 227-229 

 to surface potentials, 227-229 

 Electrokinetic-pressure transducer, 



106-107 

 Electrolysis system for humidity 



measurements, 144—146 

 Electrolytic transducers, for displace- 

 ment, 42-44 

 humidity, 137-141, 144-146 

 liquid-flow, 118-120 



electrolytic dilution, 120 

 electrolytic tracer, 118-120 

 liquid-level, 95-97 

 for temperature measurements, 164 

 Electrolytic trough, 226 

 Electron-beam magnetometer, 



194-195 

 Electron-beam probe for electric field 



measurements, 230-231 

 Electron counters, 215-221 

 charged plate, 216 

 excess counter, 220-221 

 Faraday cage, 216-218 

 Gerdien counter, 218-220 

 (See also Gas-filled counters; Ioniza- 

 tion radiation transducers, 

 ionization chambers) 

 Electron multiplier, 215 

 Electron pulse chamber, 285 

 Electron temperature, 222 

 Electronic displacement transducer, 



85 

 Electrostatic induction from moving 



ions, 135 

 Error, instrument, 3-4 

 dynamic, 4 

 noise and drift, 4 

 nonlinearity and nonconformity, 



4 

 scale, 4 

 Excess-ion counter, 220 

 Extension wires for thermoelements, 

 172 



Face shear plates, 77-80 



table, 75 

 Faraday cage or cup, 216-218 



for high-energy particles, 217 



Faraday effect for magnetic field 



measurements, 211-213 

 Fatigue in photomultipliers, 248 

 Field mills, 227-229 

 Field variometer, 227 

 Flame collector, 225 

 Flow-velocity transducers, 117-135 

 for gases, 127-135 



hot-wire probe, 129-132 

 sonic systems, 132-133 

 thermal method, 127-132 

 transportation-of-charge 

 methods, 133-135 

 for liquids, 117-127 



induction-type, 120-123 

 methods, electrolytic-dilution, 

 120 

 electrolytic-tracer, 118-120 

 radioactive-tracer, 126-127 

 sonic, 125-126 

 thermal, 123-125 

 Flux ball, 188-189 

 Force transducers (see Displacement 



transducers) 

 Free-charge transducers, 215-221 

 Fringe effect in capacitors, 14-15, 66 

 Frish chamber, 285 



Gain control in photomultipliers, 



246-247, 256-259 

 Gamma-ray gauge, 17-21 

 Gamma-ray-sensitive transducers, 

 based on gas ionization, 

 281-300 

 photoconductive, 264 

 photopalvanic, 271 

 photomultipliers, 247 

 solid-state systems, 300-303 

 Gas-filled counters, 288-300 

 Geiger, 288-297 



background counting rate, 



294-295 

 cathodes, 296-297 

 dead time, 293 



discharge mechanism, 291-293 

 electronic quenching, 292 

 lifetime, 297 

 noise, 294-295 

 plateau in, 292-293, 295 



