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Vintage Kundo Torsion Pendulum Clock ~ West Germany

In Clocks > 400-Day Clocks > Show & Tell and Clocks > German and Austrian Clocks > Show & Tell.
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    Posted 10 years ago

    tom61375
    (433 items)

    This is a Kundo torsion pendulum clock, or torsion clock (also known as 400-day or anniversary clock), is a mechanical clock which keeps time with a mechanism called a torsion pendulum. This is a weighted disk or wheel, often a decorative wheel with 3 or 4 chrome balls on ornate spokes, suspended by a thin wire or ribbon called a torsion spring. The torsion pendulum rotates about the vertical axis of the wire, twisting it, instead of swinging like an ordinary pendulum. The force of the twisting torsion spring reverses the direction of rotation, so the torsion pendulum oscillates slowly, clockwise and counterclockwise. The clock's gears apply a pulse of torque to the top of the torsion spring each rotation to keep the wheel going. The wheel and torsion spring function similarly to a watch's balance wheel and hairspring, as a harmonic oscillator to control the rate of the clock's hands.

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    Comments

    1. tom61375, 10 years ago
      Thank you toolate2! =)
    2. tom61375, 10 years ago
      Thank you Bruce99! =)
    3. tom61375, 10 years ago
      Thank you shawnicus! =)
    4. tom61375, 10 years ago
      Thank you aghcollect! =)
    5. tom61375, 10 years ago
      Thank you Phil! =)
    6. tom61375, 10 years ago
      Thank you smiata! =)
    7. tom61375, 10 years ago
      Thank you pops52! =)
    8. tom61375, 10 years ago
      Thank you vetraio50! =)
    9. tom61375, 10 years ago
      Thank you utherr! =)
    10. tom61375, 10 years ago
      Thank you SEAN68! =)
    11. tom61375, 10 years ago
      Thank you vanskyock24! =)
    12. tom61375, 10 years ago
      Thank you kerry10456! =)
    13. racer4four racer4four, 10 years ago
      I love the movement of torsion clocks - ingenious and fascinating. But more than that I love the face of this clock - it is exquisite! Karen
    14. tom61375, 10 years ago
      Hi Karen, you are absolutely correct. I too enjoy these for the same reasons. Many many thanks for the love racer4four! =)
    15. freiheit freiheit, 10 years ago
      Love it! I saw one recently in a second-hand shop and wanted to buy it. My husband didn’t let me because it was too damaged. Maybe it was a good thing I didn’t because I remember my dad getting one very similar clock (older though) from an aunt and it took a lot of time, effort, and money to find all the broken or missing pieces. But I keep my eyes open and hopefully one day I will find one that works or only needs a bit of repair?
    16. tom61375, 10 years ago
      Hallo freiheit, these German 400 day anniversary clocks are starting to fetch top dollar on the collector market. Whenever I find them below $100 I grab them. Many thanks for the love! =)
    17. tom61375, 10 years ago
      Thank you geo26e! =)
    18. tom61375, 10 years ago
      Merci DrFluffy! =)
    19. tom61375, 10 years ago
      Thank you pw-collector! =)
    20. tom61375, 10 years ago
      Thank you Aimers! =^)
    21. freiheit freiheit, 10 years ago
      Thanks, tom61375. I'll tell my husband. Next time he won't stop me when I see one of these beauties:)
    22. tom61375, 10 years ago
      Thank you Budek! =)
    23. tom61375, 10 years ago
      Thank you LeahGoodwin! =)

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