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File:Newcomen steam engine.jpg

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    Description
    English: Photo of model Newcomen steam engine at the University of Glasgow, Scotland, which was repaired by James Watt. He used this model to test his separat condensor, inventing the modern steam engine.

    Caption (model): In 1764, James Watt. In working to repair this Model, belonging to the Natural Philosophy Class in the University of Glasgow, made the discovery of a separate Condenser, which has identified his name to with that of the Steam Engine.

    Original caption (book): 'The Newcomen engine, in the repairing of which Watt was led to his great discoveries. Preserved in the University of Glasgow.'
    Date
    Source Downloaded from Elmer Ellsworth Burns (1910) The Story of Great Inventions, Harper & Brothers, New York, p.39, fig.13 on Google Books.
    Author Elmer Ellsworth Burns
    Permission
    (Reusing this file)    		 Public domain - publlished in USA before 1923

    The original model is held in the Hunterian Museum & Art Gallery Collections, University of Glasgow as item GLAHM C.29, "Model Newcomen Engine, repaired by James Watt". The maker was Jonathan Sisson of London, but year of manufacture unknown.[1]

    References

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    1. ↑ http://www.huntsearch.gla.ac.uk/cgi-bin/foxweb/huntsearch/DetailedResults.fwx?collection=all&SearchTerm=C.29&mdaCode=GLAHM archive copy at the Wayback Machine

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    Public domain
    Public domain
    This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1931, and if not then due to lack of notice or renewal. See this page for further explanation.
    United States
    United States
    This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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    Date/TimeThumbnailDimensionsUserComment
    current22:44, 12 June 2009Thumbnail for version as of 22:44, 12 June 20091,734 × 2,649 (1.9 MB)DrJunge (talk | contribs)Higher resolution, denoised, optical destortion reduced
    19:13, 22 December 2007Thumbnail for version as of 19:13, 22 December 2007539 × 826 (135 KB)Chetvorno (talk | contribs){{Information |Description=Photo of Newcomen steam engine improved by James Watt between 1763 and 1775. Alterations: cropped out frame and caption, increased brightness. The caption read: 'The Newcomen engine, in the repairing of which Watt was led to h

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