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  2. Hermle Clocks - Wikipedia

    en.wikipedia.org/wiki/Hermle_Clocks

    In the 1970 they expanded to engineering and quartz movement clocks. Hermle Clocks is a German family owned and operated company in its third generation, Rolf Hermle joined the board in 1978. Hermle manufactures mechanical mechanisms, battery operated mechanisms, accessories such as dial, pendulums, weight shells, and do-it-yourself clock kits ...

  3. Lavet-type stepping motor - Wikipedia

    en.wikipedia.org/wiki/Lavet-type_stepping_motor

    Lavet-type stepping motor of a quartz clock. A black rotor sprocket provides the mechanical output. The Lavet-type stepping motor has widespread use as a drive in electro-mechanical clocks [1] and is a special kind of single-phase stepping motor. Both analog and stepped-movement quartz clocks use the Lavet-type stepping motor (see Quartz clock).

  4. Quartz clock - Wikipedia

    en.wikipedia.org/wiki/Quartz_clock

    It is also possible for quartz clocks and watches to have their quartz crystal oscillate at a higher frequency than 32 768 (= 2 15) Hz (high frequency quartz movements [4]) and/or generate digital pulses more than once per second, to drive a stepping motor powered second hand at a higher power of 2 than once every second, [5] but the electric ...

  5. Conservation and restoration of clocks - Wikipedia

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

    A wall clock for example requires a secure attachment "[...] to a wall if accidents are to be avoided and clocks are to run properly." [8] Clock cases, which come in many different materials, require special consideration and treatment in their own right. Conservators further advise not exposing a clock to a heat source of any kind, including ...

  6. List of clock manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_clock_manufacturers

    Eardley Norton, a most highly esteemed member of the Clockmakers' Company, was working between 1762 and 1794. There are clocks by him in the Royal Collection and many museums worldwide. Norton made an astronomical clock for George III which still stands in Buckingham Palace.

  7. Clockmaker - Wikipedia

    en.wikipedia.org/wiki/Clockmaker

    Woodcut of medieval clockmaker, 1568 Lateral view of a Timothy Mason longcase clock movement with striking mechanism, c. 1730. A clockmaker is an artisan who makes and/or repairs clocks. Since almost all clocks are now factory-made, most modern clockmakers only repair clocks.

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