Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. sound device components
7. [phonograph components]

Anotations

Scope note:

Historically, foil that is used as a recording surface and wrapped around cylinders during the recording process. Phonograph foil was used prior to the invention of wax cylinders, where vibrations were cut directly into the wax.