File:John Williams Langley.jpg

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John_Williams_Langley.jpg (364 × 510 pixels, file size: 90 KB, MIME type: image/jpeg)

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Description
English: John Williams Langley, American chemist and electrical engineer
Date by 1916
date QS:P,+1916-00-00T00:00:00Z/7,P1326,+1916-00-00T00:00:00Z/9
Source

The National Cyclopaedia of American Biography vol. XV, 1916

Author Unknown photographer

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:John_Williams_Langley.jpg

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current21:50, 8 November 2019Thumbnail for version as of 21:50, 8 November 2019364 × 510 (90 KB)Animalparty (talk | contribs)User created page with UploadWizard

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