ORE

ACOUSTIC TRANSPONDERS; PINGERS; TELEMETRY EQUIPMENT-NAMELY, RADIO TRANSMITTERS AND RECEIVERS; RADIO AND FLASHING LIGHT BEACONS; AND MOORING RELEASE SYSTEMS-NAMELY, AN ACOUSTICALLY OPERATED SYSTEM FOR REMOTE RELEASE OF AN UNDERWATER MOORING FROM ITS ANCHOR

WAVE HEIGHT GAGES; GEOMAGNETIC ELECTROKINETOGRAPHS; SONAR; AND TOWED UNDERWATER ECHO-SOUNDING DEVICES