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  2. History of watches - Wikipedia

    en.wikipedia.org/wiki/History_of_watches

    Thomas Mudge, inventor of the lever escapement. The lever escapement, invented by Thomas Mudge in 1754 [18] and improved by Josiah Emery in 1785, gradually came into use from about 1800 onwards, chiefly in Britain; it was also adopted by Abraham-Louis Breguet, but Swiss watchmakers (who by now were the chief suppliers of watches to most of Europe) mostly adhered to the cylinder until the 1860s.

  3. Watch - Wikipedia

    en.wikipedia.org/wiki/Watch

    The first self-winding mechanism was invented for pocket watches in 1770 by Abraham-Louis Perrelet, [62] but the first "self-winding", or "automatic", wristwatch was the invention of a British watch repairer named John Harwood in 1923. This type of watch winds itself without requiring any special action by the wearer.

  4. List of watchmakers - Wikipedia

    en.wikipedia.org/wiki/List_of_watchmakers

    Download as PDF; Printable version ... This chronological list of famous watchmakers is a list of ... Serbian Orthodox monk-scribe and horologist who invented ...

  5. Georges Frederic Roskopf - Wikipedia

    en.wikipedia.org/wiki/Georges_Frederic_Roskopf

    Financed by his wife, he then set up in business as an établisseur, that is, a watch producer who bought the ébauche and all other parts of the watch and assembled them. He made cylinder and lever watches for export to North America and Belgium. Although the watches were well made, the business was not profitable and in 1850 Roskopf sold it.

  6. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Tagged PDF is not required in situations where a PDF file is intended only for print. Since the feature is optional, and since the rules for tagged PDF were relatively vague in ISO 32000-1, support for tagged PDF among consuming devices, including assistive technology (AT), is uneven as of 2021. [ 32 ]

  7. Pocket watch - Wikipedia

    en.wikipedia.org/wiki/Pocket_watch

    Some watches of this period had the setting-arbor at the front of the watch, so that removing the crystal and bezel was necessary to set the time. Watch keys are the origin of the class key, common paraphernalia for American high-school and university graduation. Many keywind watch movements make use of a fusee, to improve isochronism. The ...

  8. Verge escapement - Wikipedia

    en.wikipedia.org/wiki/Verge_escapement

    The reason for this is that as new escapements were invented, it became the fashion to have a thin watch. To achieve this in a verge watch requires the crown wheel to be made very small, magnifying the effects of wear. Modern reproduction of an early verge and foliot clock.

  9. Pin-pallet escapement - Wikipedia

    en.wikipedia.org/wiki/Pin-pallet_escapement

    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. It was popularized by German watchmaker Georges Frederic Roskopf in its "proletarian watch" from 1867 ...