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 equipment
8. lighting devices
9. [lighting devices by form]
10. lamps (lighting devices)
11. [lamps by method of illumination]

Anotations

Scope note:

Lamps that burn lard or lard oil, employing some method to deliver the semi-solid fuel to the wick, either heat to liquify it so that it will flow, or pressure or gravity devices to force it to the wick; especially those of tinned sheet iron, painted or plain, dating to the 1840s and 1850s.