Journal of the Society of Motion Picture Engineers, Volumen28

amplifier amplitude amplitude modulation aperture Blossom Room Calif camera Chairman characteristics circuit color colorimeters Committee curve decibels density designed direct current disks drive drum effect electrical emulsion equipment exposure film filter flywheel frequency frequency modulation G. F. RACKETT galvanometer gear H. G. TASKER Hollywood Hotel Pennsylvania Iconoscope illumination inch increase J. I. CRABTREE K. F. MORGAN Kinescope Kodak laboratory lamp lens light light-source loud speaker machine magnetic material measurements mechanical mercury method microphone mixer modulation MOTION PICTURE ENGINEERS motor negative neon lamps obtained operation optical printer optical system output panchromatic paper photocell photographic pick-up Pict plate position produce projection projector reduced reproducing screen sensitivity sensitometric sensitometry shown in Fig shows silver bromide SOCIETY OF MOTION sound recording sound-film sound-track speed sprocket sprocket holes standard strips studio technic theaters tintometer tion tube unit visual voltage W. C. KUNZMANN