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:

Refers to the plates of gramophones or record players on which the recorded discs rest and are spun to draw the grooves of recorded sound under a stylus, at fixed speeds, to enable reproduction of sound. Usage of the term is frequently extended to the totality of the machinery or housing of this plate.