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 process]
7. data processing equipment
8. [data processing devices]

Anotations

Scope note:

Devices that calculate or tabulate test scores. An early example was IBM’s “Test Scoring Machine” developed in 1928, which used the electrical conductivity of graphite pencil marks to interpret correct and incorrect answers.