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 process]
7. power producing equipment
8. generators

Anotations

Scope note:

Machines for the production of electrical discharge at high voltage. These commonly consist of an insulated hollow conducting sphere that accumulates in its interior the charge continuously conveyed from a source of direct current by a belt of flexible nonconducting material.