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  4. Furnishings and Equipment (hierarchy name)
  5. Measuring Devices (hierarchy name)
  6. measuring devices (instruments)
  7. [measuring devices for extent]
  8. distance measuring devices
  9. angle measuring devices
  10. theodolites
Scope note
Precision surveying instruments for measuring horizontal and sometimes vertical angles and consisting of a sighting telescope mounted so that it is free to rotate horizontally and vertically and accompanying graduated scales to measure the angle of rotation.
Accepted term: 15-Jul-2024