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SUBJECT INDEX
567
Audio characteristics, commercial sound projectors (continued) : nutter, 496
loudspeakers, 492, 495 noise, 496 over-all, 491, 493 power output, 496 response-frequency, 491-495 tone control, 494 over-all, 181 Audio distortion. See Distortion, audio. Audio frequency range, cutoffs product,
177 Audio-visual media, 437 Auxiliary light modulator, 304 Auxiliary modulator, monitoring, 304 Auxiliary recording apparatus, 306-307 Azimuth error, recording slit, distortion from, 248
B
Balance, 177 Base, coating, 24
manufacture, 20 Bath, developer, 374, 376, 378. See also Developing formulas.
fixing, 375 Baucus and Maguire, 2 Baumert and Noble splice, 350 Bayonet lens mount, Eastman camera,
150 Beaded screen, 456-460 Bell and Howell diagonal splice, 350 Bell and Howell Filmo cameras
70DA, 147, 149, 151
Auto-load, Auto-load speedster, Automaster, 149 Bell and Howell Filmo projectors, takeup, 466
threading diagram, 470
transport system, 471 Bell and Howell filmviewer, 347 Bell and Howell laboratory combination splicer, 349
light change, 404 Bell and Howell model J printing machine, 382, 384, 385 Bell and Howell projector, 466, 470, 471 Berggren, 5. See also 62-mm -film. Bertram, 370 Bias amplifier, 280 Bias anticipation, 284
Bias (continued) ;
current, 283
decay, 282
delay, 282
opening, 282 Bilateral sound track, 281
negative, 247
positive, 247
sound recording optical system, 247 Biological Laboratories, Harvard University, 530 Bits and pieces, 329 Blooping, 324 Blower noise, 496
Brightness of projected picture, 450 Bus, recording, 300 Business films. 527
Calculator, exposure meter, 12 Cameras, 12, 146
adjuncts, 154
choice, 153
design, 156
features, 150-152, 156
focusing arrangements, 161
functions, general, 146
GSAP, 8
larger spring-driven, 149
lenses, see Lenses, camera.
magazine, 148
makes, 146, 147, 149-153
mechanism, 154
movement, 158
professional, 152
speed, 76
spring-driven, 147-151
viewing arrangements, 161 Camera aperture, dimensions, 109, 110 Camera arrangements, 161, 162 Camera lens mount, camera, type C, 150.
See also Lenses, cameras. Cancellation of distortion, 197 Cardioid microphones, 227, 230, 232. See also Microphones.
equalizer, 236 Carbon microphone, generating systems,
216, 217. See also Microphones. Carnegie UK trust, 167 Cathode ray, monitoring, 304 Cathode-ray oscilloscope, 304 Cement, film, 351