SOUND MOTION PICTURE CAMERAS, AND PROJECTORS, FILM CASSETTES, AUDIOVISUAL PROJECTION MACHINES AND ACCESSORIES, CAMERAS, OSCILLOSCOPE CAMERAS, IDENTIFICATION CAMERAS, AERIAL CAMERAS AND SYSTEMS, LENSES, SHUTTERS, FILM PROCESSORS, EXPOSURE CONTROL SYSTEMS AND COMPONENTS, MAPPING AND PHOTOGRAMMETRIC APPARATUS AND SYSTEMS, CAMERA STABILIZER SYSTEMS, STEREOSCOPES, VISUAL IMAGING SYSTEMS, DATA STORAGE, RECORDING, RETRIEVAL, READOUT AND PROCESSING EQUIPMENT; FACSIMILE TRANSMITTING AND RECEIVING EQUIPMENT, UNDERWATER EXPLORATION EQUIPMENT, FLIGHT ANALYZING EQUIPMENT AND SYSTEMS, OSCLLOSCOPES, FREQUENCY METERS, ELECTRONIC MEASURING AND TEST EQUIPMENT, ACCELEROMETERS, PRESSURE TRANSDUCERS AND SENSING EQUIPMENT, GYROSCOPE APPARATUS AND SYSTEMS, PRINTING PLATE PROCESSING EQUIPMENT, COLOR ANALYZING AND MASKING SYSTEMS, PRINTING TONE CONTROL APPARATUS, PHOTOELECTRIC ENGRAVING EQUIPMENT, TAPE CONTROL APPARATUS FOR LINE CASTING MACHINES AND PARTS THEREOF, PHOTOCOMPOSING MACHINES, COMPUTERS, RADAR AND TELEVISION MAPPING SYSTEMS, POTENTIOMETERS, PERFORATED CONTROL TAPES, TAPE PERFORATING AND RE-PERFORATING MACHINES, ELECTRONIC DISTANCEMEASURING EQUIPMENT, VOLTAGE REFERENCE DIODES, MAT DETECTORS, AND NEWSPAPER COUNTER, AND MOTION PICTURE SOUND FILM