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. culinary equipment
8. [food processing equipment]
9. [grain processing tools]

Anotations

Scope note:

Devices used in conjunction or as part of grain mills to automatically regulate the flow of grain into a mill, generally consisting of a receptacle into which grain is placed and a rotating cylinder that moves the grain into the next portion of the mill.