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1-10 of 186 terms found
  • Agate
    Hard mineral, used in high-quality clocks for stone pallets.
  • Amplitude
    The Semi-oscillation* of the balance spring or pendulum* as it moves from Dead center* to one of the inversion points.
  • Aneroid barometer compensation
    Device to compensate for the influence of the changing air pressure on the accuracy of a clock. A specially designed air pressure compensation is available as an accessory for your Mechanica.
  • Anodise
    Electro-chemical treatment of aluminium. Surface is treated in acid-bath. The result is a very durable oxidation layer. The Mechanica has a few anodised parts like plates, crutch and barrel.
  • Arbor
    Shaft in a movement.
  • Archimedian balance spring
    Helical proportional spring invented by Greek mathematician Archimedes (285-212 BCE). Base shape of the modern balance spring.
  • Balance
    Together with the balance spring, the balance builds the oscillating system and, with the escapement, guarantees the even rate* of a timepiece.
  • Balance cock
    Part of the escapement upon which the index*, index key* and carrier stud are secured.
  • Balance spring
    A filigreed, rolled-up spring in the form of an Archimedian balance spring*. Both ends are connected with the balance by the Stud carrier* on the Balance cock* and the collet*. Together with the balance, it makes up the Oscillating organ*.
  • Balance spring stud
    Secures the outer end of the balance spring and is screwed to the Stud carrier*.