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 extent]
7. distance measuring devices
8. linear distance measuring devices
9. rulers (measuring devices)
10. [rulers by function]

Narrower term/s

• architects' scales
• engineers' scales
• bar scale (scales)

Anotations

Scope note:

Rules with proportioned graduations for measuring or making scale drawings. The term refers to a graduated strip of metal or wood used for measuring length as well as to a rule drawn or otherwise indicated on an architectural drawing, map, or other work.