Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Measuring Devices (hierarchy name)
5. measuring devices (instruments)
6. [measuring devices for forces]
7. elemental forces measuring devices
8. nuclear energy measuring devices

Anotations

Scope note:

Radiation counters into which the sample is introduced in the form of a gas through the counter tube. The phenomenon of gas multiplication is used to increase pulse size which facilitates processing of the sample.