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File:Huygens first pendulum clock.png

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    English: The first pendulum clock, invented by Dutch physicist Christiaan Huygens in 1657, and built by clockmaker Saloman Coster. This drawing is from Huygens' 1658 treatise on the clock, Horologium. The pendulum was driven by a verge escapement mechanism, so it had a very wide angle of swing compared to modern clocks, perhaps 80° to 90°. The clock was weight-driven, using an ingenious arrangement of two weights linked by a loop of cord. In order to "wind" the clock, the larger weight was simply lifted to the top. Alterations to image: removed caption.
    Date
    Source Downloaded 2010-03-07 from Ernst Gerland, Friedrich Traumüller (1899) Geschichte der Physikalischen Experimentierkunst, Verlag von Wilhelm Engelmann, Leipzig, Germany, p.179, fig.178 on Google Books. Source credits it to: Christiaan Huygens (1658) Horologium, Opera Varia, Vol. 1 S. 1
    Author
    Christiaan Huygens (1629–1695)  wikidata:Q39599 s:en:Author:Christiaan Huygens q:en:Christiaan Huygens
     
    Christiaan Huygens
    Alternative names
    Christiaen Huygens; Christian Huygens; Christian Hugenius
    Description Dutch mathematician and astronomer
    Date of birth/death 14 April 1629 Edit this at Wikidata 8 July 1695 Edit this at Wikidata
    Location of birth/death Den Haag, Nederland Netherlands
    Work period before 1663 to 1695
    Work location
    France; Netherlands;
    Authority file
    creator QS:P170,Q39599
    Permission
    (Reusing this file)    		 Public domain - Huygens died 1695

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    inception

    1658

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    Date/TimeThumbnailDimensionsUserComment
    current09:02, 7 March 2010Thumbnail for version as of 09:02, 7 March 2010327 × 933 (31 KB)Chetvorno{{Information |Description={{en|Drawing of the first pendulum clock, invented by Dutch physicist Christiaan Huygens, from his 1657 paper ''Horologium''.}} |Source=Downloaded 2010-03-07 from [http://books.google.com/books?id=kr8KAAAAIAAJ&pg=PA179 Erns

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