Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by context]
7. vehicle equipment
8. watercraft equipment

Anotations

Scope note:

Transparent cases, usually of glass and brass that provide a source of light for use on seagoing vessels. Traditionally these would contain a liquid fuel and flammable wick, and were used for a variety of purposes including signaling or ambient lighting.