OCEANOGRAPHIC AND DEEP SEA COMPONENTS AND EQUIPMENT-NAMELY, ELECTRICAL FEED-THROUGHS, ELECTRONIC FLASHING LIGHTS FOR OCEANOGRAPHIC BUOYS [ , AC POWER PACKS ] , BATTERY CHARGERS AND CONTROL UNITS, [ BALL BEARING ELECTRICAL SWIVELS, FLASH BEACONS, TELEVISION CAMERA HOUSINGS, LIGHTING EQUIPMENT, MOTORS, MAGNETIC SWITCHES, SOLENOIDS, ELECTRICAL SWITCHES INCLUDING TILT SWITCHES, MERCURY SWITCHES AND TIME SWITCHES, AND RADIO BEACONS ]

OCEANOGRAPHIC AND DEEP SEA COMPONENTS AND EQUIPMENT-NAMELY, [ CORAL AND SEDIMENT PIPE DREDGING MACHINES, ] ROCK DREDGING MACHINES [ , ELECTRICALLYDRIVEN PUMPS FOR OCEANOGRAPHIC PURPOSES AND AUTOMATIC OPENING AND CLOSING MULTIPLE PLANKTON NETS ]

OCEANOGRAPHIC AND DEEP SEA COMPONENTS AND EQUIPMENT-NAMELY, TIME DEPTH RECORDERS [ , TELEMETERING PINGERS ] , ELECTRICAL DEPTH SENSORS [ , NET MONITORS ] , DIGITAL EQUIPMENT AND DISPLAYS, HYDROSTATIC PRESSURE TESTING SYSTEMS CONSISTING OF PRESSURE CONTROL CENTERS AND PRESSURE CHAMBERS [ , PISTON CORERS, PRESSURE ACTUATED SAFETY ARMING DEVICES, CORE CATCHERS, PISTON IMMOBILIZERS, GRAVITY CORERS, WEAK LINKS ] GLASS INSTRUMENT HOUSINGS, PINGERS, SWALLOW FLOATS, [ EVENT RECORDERS, PRESSURE-DEPTH CALIBRATING SYSTEMS, REMOTE WIRE METERING SYSTEMS, ORGANIC FREE WATER SAMPLERS, LARGE VOLUME WATER SAMPLERS, TILT SENSORS, AND TEST TANKS ]