Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Measuring Devices (hierarchy name)
5. measuring devices (instruments)
6. [measuring devices for forces]
7. weighing devices
8. [weighing devices by form]
9. scales (weighing devices)

Anotations

Scope note:

Scales having a fixed fulcrum and a movable counterweight whose distance along a horizontal graduated beam is moved to balance an object suspended from a point, usually on a pan or hook, set off-center; for scales of similar form but with a fixed counterweight and movable fulcrum, use "desemers."