BENTHOS

oceanographic and deep sea equipment, and parts thereof, namely,[ time depth recorders, ] telemetering pingers, [ electrical depth sensors,] [ fishing net monitors, ] [ computers and computer peripherals and displays, hydrostatic pressure systems comprising pressure control centers and pressure chambers, ] glass instrument housing, pingers, [ swallow floats, event recorders, apparatus for calibrating pressure at various ocean depths, remote wire metering apparatus, organic free water samplers, large volume water samplers, ] [ tilt sensors and test tanks; electrical feedthroughs, ] [ electronic flashing lights for oceanographic buoys, ] [AC power packs, battery chargers and control units, ] [ ball bearing electrical swivels, flash beacons, television camera housings,] [ magnetic switches,] [ solenoids, ] [electrical switches including tilt switches, mercury switches and time switches,] [ and radio beacons ]

[ oceanographic equipment and parts thereof, namely, underwater lights ]

underwater system comprised of remotely-operated, self-propelled, submersible vehicle and control unit therefor