Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Furnishings (hierarchy name)
5. furnishings (works)
6. [furnishings by form or function]
7. lighting devices
8. [lighting devices by form]
9. lamps (lighting devices)
10. [lamps by form]
11. vertical wick lamps

Anotations

Scope note:

Lamps with a ring-shaped reservoir with a burner or burners located in the center of the ring at the same level or below the level of the reservoir and connected to it by two tubes through which fuel is fed.