File:John Collins Warren daguerreotype circa 1855 (retouched).jpg

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John_Collins_Warren_daguerreotype_circa_1855_(retouched).jpg ‎(395 × 512 pixels, file size: 169 KB, MIME type: image/jpeg)

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English: Daguerreotype of Boston surgeon John Collins Warren, circa 1855. Image courtesy of the Harvard University Library.
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Source This file was derived from: John Collins Warren daguerreotype circa 1855.jpeg: 
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: brighten midtones, min retouch. The original can be viewed here: John Collins Warren daguerreotype circa 1855.jpeg: . Modifications made by Begoon.

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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, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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Original upload log[edit]

This image is a derivative work of the following images:

  • File:John Collins Warren daguerreotype circa 1855.jpeg licensed with PD-US
    • 2019-05-07T11:52:49Z Jeff G. 395x512 (96015 Bytes) Improved exposure & contrast with Photoshop Express
    • 2010-06-05T19:37:45Z MarmadukePercy 395x512 (169521 Bytes) {{Information |Description={{en|1=Daguerreotype of Boston surgeon John Collins Warren, circa 1855. Image courtesy of the Harvard University Library.}} |Source=Harvard University Library, Weissman Preservation Center [http://i

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Date/TimeThumbnailDimensionsUserComment
current01:35, 8 May 2019Thumbnail for version as of 01:35, 8 May 2019395 × 512 (169 KB)Begoon (talk | contribs)Try to equalise luminance
23:55, 7 May 2019Thumbnail for version as of 23:55, 7 May 2019395 × 512 (167 KB)Begoon (talk | contribs)A little more bri + con
23:52, 7 May 2019Thumbnail for version as of 23:52, 7 May 2019395 × 512 (144 KB)Begoon (talk | contribs)== {{int:filedesc}} == {{Information |Description={{en|1=Daguerreotype of Boston surgeon {{w|John Collins Warren}}, circa 1855. Image courtesy of the Harvard University Library.}} |Source={{Derived from|John Collins Warren daguerreotype circa 1855.jpeg|display=50}} |Date=2019-05-07 23:51 (UTC) |Author=* File:John Collins Warren daguerreotype circa 1855.jpeg: Attributed to Southworth and Josiah Johnson Hawes, Albert Sands * derivative...

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