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 phenomena]
7. light measuring devices
8. polariscopes

Anotations

Scope note:

Polariscopes of a particular type; instruments for measuring the degree of polarization, determining the amount of rotation of the plane of polarization by a substance through which polarized light passes.