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  2. Conservation and restoration of clocks - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Removal of these items prior to clock handling can lower the risk of damage. Pendulum damage during clock movement can be prevented by either removing the pendulum or fixing it within the interior of the clock via a latch or padding prior to clock movement. [2] This can also prevent damage to other interior components.

  3. Maintaining power - Wikipedia

    en.wikipedia.org/wiki/Maintaining_power

    His clocks of the period used a grasshopper escapement which malfunctioned if not driven continuously—even while the clock was being wound. In essence, the maintaining power consists of a disc between the driving drum of the clock and the great wheel. The drum drives the disc, and a spring attached to the disc drives the great wheel.

  4. Mainspring - Wikipedia

    en.wikipedia.org/wiki/Mainspring

    In many clocks, the outer end is attached to a stationary post. The spring is wound up by turning the arbor, and after winding its force turns the arbor the other way to run the clock. The disadvantage of this open spring arrangement is that while the mainspring is being wound, its drive force is removed from the clock movement, so the clock ...

  5. Escapement - Wikipedia

    en.wikipedia.org/wiki/Escapement

    In spring-driven clocks and watches, it required a fusee to even out the force of the mainspring. It was used in the first pendulum clocks for about 50 years after the pendulum clock was invented in 1656. In a pendulum clock, the crown wheel and staff were oriented so they were horizontal, and the pendulum was hung from the staff.

  6. Pin-pallet escapement - Wikipedia

    en.wikipedia.org/wiki/Pin-pallet_escapement

    The GIF is slowed down to make the mechanism movement easier to see. A Roskopf, pin-lever, or pin-pallet escapement is an inexpensive, less accurate version of the lever escapement, used in mechanical alarm clocks, kitchen timers, mantel clocks and, until the 1970s, cheap watches now known as pin lever watches.

  7. Grasshopper escapement - Wikipedia

    en.wikipedia.org/wiki/Grasshopper_escapement

    Grasshopper escapement, 1820. The grasshopper escapement is a low-friction escapement for pendulum clocks invented by British clockmaker John Harrison around 1722. An escapement, part of every mechanical clock, is the mechanism that gives the clock's pendulum periodic pushes to keep it swinging, and each swing releases the clock's gears to move forward by a fixed amount, thus moving the hands ...

  8. Fusee (horology) - Wikipedia

    en.wikipedia.org/wiki/Fusee_(horology)

    There is a ratchet between the fusee and its gear (not visible, inside the fusee) which prevents the fusee from turning the clock's wheel train backwards while it is being wound up. In quality watches and many later fusee movements there is also a maintaining power spring, to provide temporary force to keep the movement going while it is being ...

  9. Clockwork - Wikipedia

    en.wikipedia.org/wiki/Clockwork

    Clockwork of mechanical Prim wrist watch. Clockwork refers to the inner workings of either mechanical devices called clocks and watches (where it is also called the movement) or other mechanisms that work similarly, using a series of gears driven by a spring or weight.

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