verniers

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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. size measuring devices
  10. verniers
Scope note
Small, movable, graduated scales running parallel to the fixed graduated scales of precision instruments, such as sextants or transits, and designed to measure a fractional part of the smallest divisions on the fixed scales.
verniers
Accepted term: 10-Mar-2025