SUBJECT INDEX 



319 



Integrating systems for velocity and 

 displacement measurements, 

 91 

 Intracardial-pressure transducer, 51 

 Intramuscular-temperature measure- 

 ment, 172 

 Ion collector for flow-velocity 



measurements in gases, 134 

 Ion covinters, charged plate, 21G 

 Faraday cage, 216-218 

 Gerdien collector, 218-220 

 multiplication method, 215 

 Ion current in gas discharges, 221-223 

 Ion impact on cathode in photo- 

 emissive systems, 238-239 

 Ion mobility, 219-220 

 Ion tracer method for flow-velocity 



measurements, 133 

 Ionization of gases for temperature 



measurements, 164 

 Ionization collector for space- 

 potential measurement, 224 

 Ionization transducer, 86-89 

 Ionizing radiation transducers, 

 281-303 

 ionization chambers, 281-288 

 air-equivalent, 286 

 with built-in grid, 285 

 guard-ring arrangement for, 287 

 ion pulse, 284 

 multiple-plate, 287-288 

 for particle-energy measure- 

 ments, 285-286 

 response to time-varying 



ionization, 284-286 

 thimble, 287-288 

 solid-state systems, 300-302 

 crystal counters, 300-302 

 radiation-induced photo- 

 conductivity, 302-303 



Joule effect in thermoelements, 168 



Langmuir probes, 221-223 

 characteristics, 222 



Leakage current, in photoemissive 

 systems, 238-239 

 in photomultipliers, 251-252 

 separation from photocurrent, 239 



Length gauges (see Thickness gauges) 

 Light-sensitive transducers (see 



Radiation transducers) 

 Linear variable differential trans- 

 former, 48 

 Liquid -level transducers, 95-101 

 capacitive systems, 98-100 

 contact systems, 95-96 

 electrolytic resistance, 96-97 

 inductive methods, 97-98 

 thermal method, 100-101 

 Logarithmic characteristic of photo- 

 multipliers, 259-261 

 Luminous sensitivity in photo- 

 emissive systems, 235 



Magnanini's solution, 43 



Magnesyn, 62-63 



Magnetic transducers, 177-214 



based on magnetic effects on moving 

 charges, 190-199 

 electron-beam magnetometer, 



194-195 

 Hall-effect system, 195-196 

 magnetron-tube circuits, 193 

 magnetron tubes, 192-195 

 rotating disk, 190 

 based on permeability variation, 

 199-204 

 "even-harmonic" method, 



200-202 

 inductance- variation method, 



199-200 

 peaking strips, 203-204 

 time variation of permeability, 

 200 

 indirect systems, 208-214 



mechanical methods, 208-210 

 moving-coil magnetometer, 209 

 wire-loop magnetometers, 

 209-210 

 induction, in coils (see search coils, 

 below) 

 in conductive liquids, 191-192 

 magnetoresistive systems, 196-199 

 preparation of bismuth probes, 

 198 

 nuclear magnet ic-resonance absorp- 

 tion, 204-208 



