File:James B. Emerson.png

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English: A portrait of James B. Emerson, a former sea captain and self-trained hydraulic engineer who went on to design and build the Lowell and Holyoke Testing Flumes, making the mass standardization of American water turbines possible during the Second Industrial Revolution.
Date
Source Current version: Treatise relative to the testing of water-wheels and machinery, 6th ed.
Old version: Treatise relative to the testing of water-wheels and machinery 4th ed.
Author Unknown authorUnknown author
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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, 1930, and if not then due to lack of notice or renewal. See this page for further explanation.
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Date/TimeThumbnailDimensionsUserComment
current19:27, 30 June 2020Thumbnail for version as of 19:27, 30 June 20201,107 × 1,506 (3.62 MB)Simtropolitan (talk | contribs)clearer print from later edition of same book
16:45, 28 June 2020Thumbnail for version as of 16:45, 28 June 2020825 × 1,123 (2.46 MB)Simtropolitan (talk | contribs){{Information |description ={{en|1=A portrait of {{w|James B. Emerson}}, a former sea captain and self-trained hydraulic engineer who went on to design and build the Lowell and {{w|Holyoke Testing Flumes}}, making the mass standardization of American water turbines possible during the {{w|Second Industrial Revolution}}.}} |date =1892 |source =[https://archive.org/details/treatiserelative00emerrich/page/n7/mode/2up Treatise relative to the testing of water-wheels and machiner...

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