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  2. Riefler escapement - Wikipedia

    en.wikipedia.org/wiki/Riefler_escapement

    Wiederentdeckung und Instandsetzung der Präzisionspendeluhr Riefler Nr. 711 (Rediscovery and repair of Riefler No. 711). radiophil.com. Archived from the original on 2023-02-05 "Clemens Riefler regulator, 1929". Precision Regulator Clocks Gallery, National Watch and Clock Museum. NAWCC (National Association of Watch and Clock Collectors). 2007.

  3. Movement (clockwork) - Wikipedia

    en.wikipedia.org/wiki/Movement_(clockwork)

    A mechanical movement contains all the moving parts of a watch or clock except the hands, and in the case of pendulum clocks, the pendulum and driving weights. The movement is made of the following components: [2] Power source Either a mainspring, or a weight suspended from a cord wrapped around a pulley.

  4. 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 ...

  5. RRS Discovery - Wikipedia

    en.wikipedia.org/wiki/RRS_Discovery

    The ship reached South Georgia on 20 February and was based there for two months while her crew of scientists and seamen worked alongside the whalers, both on shore at Grytviken and at sea, examining the remains of the caught and processed whales and observing their numbers and movements. Discovery herself made hydrographic and oceanographic ...

  6. Self Winding Clock Company - Wikipedia

    en.wikipedia.org/wiki/Self_Winding_Clock_Company

    The movements were mounted in cases of various designs, often in case styles similar to those of companies like Seth Thomas and E. Howard. [4] The SWCC appears to have been manufacturing their own clock movements by 1892, for they are all stamped "Self Winding Clock Co". Earlier movements were stamped with Seth Thomas or E. Howard markings. [5]

  7. Vostok watches - Wikipedia

    en.wikipedia.org/wiki/Vostok_watches

    The Vostok Komandirskie, marked "ЗАКАЗ МО СССР", meaning "Ordered by the Ministry of Defence of the USSR" Vostok Komandirskie with manual 2414A movement.. The Vostok Watch Makers company was founded in 1942 when one of the Moscow watch-making plants of the First Moscow Watch Factory was evacuated to Chistopol, a small town located on the Kama River in Tatarstan. [3]

  8. Quartz clock - Wikipedia

    en.wikipedia.org/wiki/Quartz_clock

    The Lavet-type stepping motors used in analog quartz clock movements which themselves are driven by a magnetic field (generated by the coil) can be affected by external (nearby) magnetism sources, and this may impact the rotor sprocket output. As a result, the mechanical output of analog quartz clock movements may temporarily stop, advance or ...

  9. Chelsea Clock Company - Wikipedia

    en.wikipedia.org/wiki/Chelsea_Clock_Company

    The Chelsea Clock Company is an American clock manufacturing company founded in 1897. Clocks produced by Chelsea Clock Company have been found in the White House, on US Naval Ships, and in homes and offices around the world. The company continues to build and repair clocks at their corporate headquarters in Chelsea, Massachusetts.

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