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 extent]
7. distance measuring devices
8. vertical distance measuring devices
9. [measuring devices for height]
10. cathetometers

Anotations

Scope note:

Devices intended for use in a laboratory environment primarily in reading levels of a liquid in a capillary tube to determine surface tension, or for determining the changes in the liquid level during a chemical reaction.