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]

Anotations

Scope note:

Straight poles graduated with numerical marks that are held upright and used with leveling instruments to measure heights and elevations, especially during surveying. For similar poles having numerical and various geometrical markings suited for measuring horizontal distances with other stadia equipment, use "stadia rods."