- Aircraft and motor vehicle measurement equipment (1)
- Geophysical and meteorological testing equipment (2)
- Weather tracking equipment (1)
- Surveying and drafting equipment (1)
- Surveying instruments and accessories (1)
- Coal testing apparatus (1)
- Nuclear radiation and testing apparatus (2)
- Ion chambers (1)
- Breathalyzers (1)
- Pressure transducers (1)
- Ultrasonic testing equipment (2)
- Vibration meters, analyzers, and calibrators (1)
- Polygraph devices (2)
