Abrasion testing machines manufacturing

Accelerometers (except aerospace type) manufacturing

Actinometers, meteorological, manufacturing

Aircraft engine instruments manufacturing

Alidades, surveying, manufacturing

Automotive emissions testing equipment manufacturing

Barographs manufacturing

Barometers manufacturing

Ceilometers manufacturing

Chains, surveyor's, manufacturing

Compasses, portable magnetic-type, manufacturing

Count rate meters, nuclear radiation, manufacturing

Detectors, scintillation, manufacturing

Dosimetry devices manufacturing

Drafting instruments manufacturing

Dynamometers manufacturing

Evaporation meters manufacturing

Fatigue testing machines, industrial, mechanical, manufacturing

Fire detector systems, nonelectric, manufacturing

Fuel densitometers, aircraft engine, manufacturing

Fuel mixture indicators, aircraft engine, manufacturing

Fuel system instruments, aircraft, manufacturing

Fuel totalizers, aircraft engine, manufacturing

Galvanometers, geophysical, manufacturing

Gas leak detectors manufacturing

Geiger counters manufacturing

Geophysical instruments manufacturing

Hardness testing equipment manufacturing

Humidity instruments (except industrial process and air-conditioning type) manufacturing

Hydrometers (except industrial process-type) manufacturing

Hygrometers (except industrial process-type) manufacturing

Hygrothermographs manufacturing

Indicator testers, turntable, manufacturing

Instrumentation for reactor controls, auxiliary, manufacturing

Ion chambers manufacturing

Kinematic test and measuring equipment manufacturing

Leak detectors, water, manufacturing

Level gauges, radiation-type, manufacturing

Levels and tapes, surveying, manufacturing

Lie detectors manufacturing

Magnetometers manufacturing

Metal detectors manufacturing

Meteorologic tracking systems manufacturing

Meteorological instruments manufacturing

Nephoscopes manufacturing

Nuclear instrument modules manufacturing

Physical properties testing and inspection equipment manufacturing

Pitometers manufacturing

Polygraph machines manufacturing

Pressure and vacuum indicators, aircraft engine, manufacturing

Pressure transducers manufacturing

Pulse analyzers, nuclear monitoring, manufacturing

Pyrheliometers manufacturing

RADIAC (radioactivity detection, identification, and computation) equipment manufacturing

Radiation detection and monitoring instruments manufacturing

Radioactivity detection, identification, and computation (RADIAC) equipment manufacturing

Rain gauges manufacturing

Rods, surveyor's, manufacturing

Rules, slide, manufacturing

Sample changers, nuclear radiation, manufacturing

Scalers, nuclear radiation, manufacturing

Scintillation detectors manufacturing

Seismographs manufacturing

Seismometers manufacturing

Seismoscopes manufacturing

Sextants, surveying, manufacturing

Solarimeters manufacturing

Spectrometers (e.g., liquid scintillation, nuclear) manufacturing

Surveying instruments manufacturing

Tapes, surveyor's, manufacturing

Templates, drafting, manufacturing

Tensile strength testing equipment manufacturing

Testers for checking hydraulic controls on aircraft manufacturing

Testing equipment (e.g., abrasion, shearing strength, tensile strength, torsion) manufacturing

Theodolites, surveying, manufacturing

Thermocouples (except industrial process, aircraft type, glass vacuum) manufacturing

Thermometer, liquid-in-glass and bimetal types (except medical), manufacturing

Thickness gauging instruments, ultrasonic, manufacturing

Thrust power indicators, aircraft engine, manufacturing

Torsion testing equipment manufacturing

Transducers, pressure, manufacturing

Transits, surveying, manufacturing

T-squares (drafting) manufacturing

Ultrasonic testing equipment (except medical) manufacturing

Vibration meters, analyzers, and calibrators, manufacturing

Viscosimeters (except industrial process type) manufacturing

Water leak detectors manufacturing

Weather tracking equipment manufacturing

Whole body counters, nuclear, manufacturing

Wind direction indicators manufacturing