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- Equation_clock abstract "An equation clock is a mechanical clock which includes a mechanism that simulates the equation of time, so that the user can read or calculate solar time, as would be shown by a sundial. The first accurate clocks, controlled by pendulums, were patented by Christiaan Huyghens in 1657. For the next few decades, people were still accustomed to using sundials, and wanted to be able to use clocks to find solar time. Equation clocks were invented to fill this need.Early equation clocks have a pointer that moves to show the equation of time on a dial or scale. The clock itself runs at constant speed. The user calculates solar time by adding the equation of time to the clock reading. Later equation clocks, made in the 18th Century, perform the compensation automatically, so the clock directly shows solar time. Some of them also show mean time, which is often called \"clock time\".".
- Equation_clock thumbnail Equation_of_time.svg?width=300.
- Equation_clock wikiPageExternalLink cataloguedetail.html?&priref=95862&_function_=xslt&_limit_=100&sf_function=print.
- Equation_clock wikiPageExternalLink 2up.
- Equation_clock wikiPageExternalLink double_dial_cylinder_watch_wit.aspx.
- Equation_clock wikiPageExternalLink search_object_details.aspx?objectid=3088493&partid=1&output=Terms%2F!!%2FOR%2F!!%2F23419%2F!%2F%2F!%2Fclock%2F!%2F%2F!!%2F%2F!!!%2F&orig=%2Fresearch%2Fsearch_the_collection_database%2Fadvanced_search.aspx¤tPage=1&numpages=10.
- Equation_clock wikiPageID "34710289".
- Equation_clock wikiPageLength "11987".
- Equation_clock wikiPageOutDegree "24".
- Equation_clock wikiPageRevisionID "690526443".
- Equation_clock wikiPageWikiLink Analog_computer.
- Equation_clock wikiPageWikiLink British_Museum.
- Equation_clock wikiPageWikiLink Cam.
- Equation_clock wikiPageWikiLink Category:Clocks.
- Equation_clock wikiPageWikiLink Christiaan_Huygens.
- Equation_clock wikiPageWikiLink Clock.
- Equation_clock wikiPageWikiLink Coupling_(physics).
- Equation_clock wikiPageWikiLink Crank_(mechanism).
- Equation_clock wikiPageWikiLink Differential_(mechanical_device).
- Equation_clock wikiPageWikiLink Equation_of_time.
- Equation_clock wikiPageWikiLink Frequency.
- Equation_clock wikiPageWikiLink Local_mean_time.
- Equation_clock wikiPageWikiLink Pendulum.
- Equation_clock wikiPageWikiLink Solar_time.
- Equation_clock wikiPageWikiLink Solar_tracker.
- Equation_clock wikiPageWikiLink Striking_clock.
- Equation_clock wikiPageWikiLink Sundial.
- Equation_clock wikiPageWikiLink Whippletree_(mechanism).
- Equation_clock wikiPageWikiLink File:Equation_of_time.svg.
- Equation_clock wikiPageWikiLinkText "Equation clock".
- Equation_clock wikiPageWikiLinkText "equation clock".
- Equation_clock wikiPageWikiLinkText "equation".
- Equation_clock wikiPageUsesTemplate Template:Refimprove.
- Equation_clock wikiPageUsesTemplate Template:Reflist.
- Equation_clock subject Category:Clocks.
- Equation_clock hypernym Clock.
- Equation_clock type HistoricPlace.
- Equation_clock type Instrument.
- Equation_clock type Instrument.
- Equation_clock type Machine.
- Equation_clock comment "An equation clock is a mechanical clock which includes a mechanism that simulates the equation of time, so that the user can read or calculate solar time, as would be shown by a sundial. The first accurate clocks, controlled by pendulums, were patented by Christiaan Huyghens in 1657. For the next few decades, people were still accustomed to using sundials, and wanted to be able to use clocks to find solar time.".
- Equation_clock label "Equation clock".
- Equation_clock sameAs Q5384232.
- Equation_clock sameAs m.0j3c_0m.
- Equation_clock sameAs Q5384232.
- Equation_clock wasDerivedFrom Equation_clock?oldid=690526443.
- Equation_clock depiction Equation_of_time.svg.
- Equation_clock isPrimaryTopicOf Equation_clock.