hairsprings

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  4. Components (hierarchy name)
  5. components (objects parts)
  6. [components by specific context]
  7. measuring device components
  8. timepiece components
  9. [clock and watch components]
  10. balance springs
  11. hairsprings
Scope note
Long, fine, usually spiral, springs used to determine the time of oscillation of balance wheels of timepieces.
hairsprings
Accepted term: 29-Apr-2024