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 material processed]
7. textile working equipment
8. [textile fabricating tools and equipment]
9. fabric testers

Anotations

Scope note:

Mechanized devices designed to measure the variations in a sliver's mass by compressing the sliver through a pair of rollers. In measuring the sliver's mass, these devices are built to analyze the degree of evenness characterizing a sliver's structure.