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. linear distance measuring devices

Anotations

Scope note:

Straight poles graduated with numerical and geometric marks that are held upright and used with transits or other surveying instruments equipped with stadia hairs to measure horizontal distances. For similar poles graduated with numerical marks for measuring heights or elevations, use "leveling rods."