- Aircraft and motor vehicle measurement equipment (1)
- Pressure and vacuum indicators, aircraft engine (1)
- Geophysical or meteorological electronic equipment (2)
- Seismographs (1)
- Weather tracking equipment (1)
- Surveying instruments and accessories (1)
- Hardness testing equipment (1)
- Testing equipment: abrasion, shearing strength, etc. (1)
- Electrogamma ray loggers (2)
- Medical diagnostic systems, nuclear (1)
- Compasses, magnetic: portable type (1)
- Ultrasonic testing equipment (1)
- Vibration meters, analyzers, and calibrators (1)
- Polygraph devices (3)
