Betekenis van:
hairspring

hairspring
Zelfstandig naamwoord
    • a fine spiral spring that regulates the movement of the balance wheel in a timepiece

    Hyperoniemen


    Voorbeeldzinnen

    1. With balance wheel and hairspring
    2. Complete unassembled or partly assembled watch movements (excluding those with balance wheel and hairspring)
    3. Complete unassembled or partly assembled watch movements, with balance wheel and hairspring
    4. For the purposes of this chapter, the expression ‘watch movements’ means devices regulated by a balance-wheel and hairspring, quartz crystal or any other system capable of determining intervals of time, with a display or a system to which a mechanical display can be incorporated.