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Thread: Torsion pendulum clock - photo

  1. Apr 27, 2020, 01:20 PM #1
    Jon
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    Torsion pendulum clock - photo

    Torsion pendulum clock.

    Fullsize image: https://diqn32j8nouaz.cloudfront.net...k_fullsize.jpg




    More: https://en.wikipedia.org/wiki/Torsion_pendulum_clock

    Previously:

    Astro-skeleton clock - photo and video
    1820 Congreve clock - GIF
    Fibonacci spiral clock - photo
    Salisbury Cathedral clock - photo

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  3. Apr 27, 2020, 02:24 PM #2
    mklotz
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    It's an ATMOS clock...

    https://en.wikipedia.org/wiki/Atmos_clock

    and derives its power from the atmospheric pressure variations acting on the large bellows-like assembly visible behind the movement. No battery or winding required.

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    Jon (Apr 27, 2020), Scotsman Hosie (May 22, 2020), Tonyg (Apr 28, 2020)
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