HOUSEHOLD OR DOMESTIC ELECTRIC VACUUM CLEANERS AND PARTS THEREFOR; AND HOUSEHOLD OR DOMESTIC ELECTRIC COMBINATION SCRUBBING, WAXING AND POLISHING MACHINES AND PARTS THEREFOR

ELECTRICAL TELEMETERING SYSTEMS CONSISTING ESSENTIALLY OF--LIQUID LEVEL MEASURING GAUGES, FREQUENCY METERS RESONANCE-TYPE RESPONSIVE GAUGES, LIQUID CONTENT GAUGES, ELECTRONIC SELECTION CIRCUITRY, AUTOMATIC FUEL FEED CONTROL AND SWITCHING APPARATUS, VOLUMETRIC GAUGES FOR CONDUCTIVE LIQUIDS, AIRCRAFT AND SPACE FLIGHT INSTRUMENTS, VOLTAGE CONTROL OSCILLATORS, TORQUE MONITORS, FLOWMETERS, ILLUMINATED DIALS OR COUNTERS, DENSITOMETERS, AND RATIOMETERS

COMPLETE, INTEGRATED ENGINEERING SERVICES FOR INDUSTRIAL PLANTS, THERMAL AND HYDROELECTRIC POWER PLANTS, POWER TRANSMISSION SYSTEMS, TEXTILE MILLS, PULP AND PAPER MILLS, PUBLISHING PLANTS, NUCLEAR FACILITIES, PROCESS FACILITIES, WATER RESOURCE DEVELOPMENTS, PARKS AND RECREATION FACILITIES, AND PUBLIC WORKS, INCLUDING STUDIES, REPORTS, PLANNING, DRAWINGS, AND SPECIFICATIONS