APPARATUS FOR SENSING, MEASURING, RECORDING OR CONTROLLING THE FLOW, PRESSURE, TEMPERATURE, LEVEL OR OTHER CONDITION OF FLUIDS-NAMELY, PRIMARY FLOW ELEMENTS, REGISTERS, ENCODERS, TRANSDUCERS, TRANSMITTERS, TIMERS, RECEIVERS, TOTALIZERS, RECORDERS, CONTROLLERS, SIGNAL CONVERTERS, VALVES, METERS FOR FLUIDS, FOR LUBRICANTS, FOR SLURRIES, AND FOR WASTES, AND PARTS AND COMPONENTS OF SUCH APPARATUS; ULTRASONIC FLOWMETERS; MAGNETIC RESONANCE FLOWMETERS; FLUID METER TESTING AND CALIBRATION APPARATUS; BIO-CHEMICAL OXYGEN DEMAND RESPIRATORS; CHLORINE RESIDUAL ANALYZERS; CHLORINATION CONTROLLERS; AUTOMATIC RECYLING COUNTERS FOR CONTROL OF ELECTRICAL AND INDUSTRIAL EQUIPMENT; SHEET COUNTERS AND SHEET MARKING CONTROLS FOR COUNTING AND MARKING FLEXIBLE SHEETS SUCH AS OF PAPER, PRECISION MOLDED PLASTIC PARTS-NAMELY, COMPONENTS OF FLUID FLOW HANDLING SYSTEMS AND COMPONENTS OF ELECTRICAL SWITCH GEAR ASSEMBLIES; TIMING DEVICES-NAMELY, TIMING GOVERNORS, TIMING SWITCHES, ESCAPEMENT MECHANISMS AND GOVERNOR-REGULATED SPRING MOTORS; ELECTRONIC DATA ENCODING AND TRANSMISSION APPARATUS; ELECTRONICALLY OPERATED REMOTE CONTROL APPARATUS FOR CONTROLLING EQUIPMENT AT ONE OR MORE REMOTE STATIONS BY TELEMETRY FROM A MASTER STATION; ELECTRONICALLY OPERATED STATUS MONITORING EQUIPMENT FOR PROVIDING STATUS INFORMATION AND TELEMETRY AT A MASTER STATION FROM ONE OR MORE REMOTE STATIONS; ELECTRONICALLY OPERATED EQUIPMENT FOR REMOTE TESTING OF TELEPHONE SUBSCRIBER LINES AND INTEROFFICE TRUNKS AT ONE OR MORE REMOTE STATIONS FROM A MASTER TEST STATION; ELECTRICAL TRANSDUCERS FOR MEASUREMENT OF VOLTS, WATTS, AMPERES AND VARS; AND COMPONENTS FOR SAID GOODS

WATER CONDITIONING EQUIPMENT-NAMELY, CHLORINATORS, INJECTORS, AND COMPONENTS THEREOF

ANALYZING, REPAIRING AND CALIBRATING FLOW METERS AND RELATED INSTRUMENTS AND CONTROL EQUIPMENT FOR OTHERS