File:Young-Thomas-Lectures1807-Plate XXX-fig442-dbl slit.jpg

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Young-Thomas-Lectures1807-Plate_XXX-fig442-dbl_slit.jpg ‎(532 × 382 pixels, file size: 48 KB, MIME type: image/jpeg)

Summary

Description
English: Image of fig.442 from plate XXX from Thomas Young's "Lectures", publ. 1807, the text of lectures to London's Royal Institution in 1802. Shows Young's experience of the "two slit" phenomenon, which supports wave theory of light.
Date
Source

Original publication: A Course of Lectures on Natural Philosophy and the Mechanical Arts- YOUNG, Thomas

Immediate source: This jpg created by me (who releases all rights) from a jpg emailled to me from a bookseller (www.jonathanahill.com) who was selling the book. Bookseller was responding to email asking if okay to send image to Wikipedia, told that meant giving up his rights.
Author

Thomas Young

(Life time: 1773-1829)

Licensing

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.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Young-Thomas-Lectures1807-Plate_XXX-fig442-dbl_slit.jpg

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2014-11-04 14:09 532×382× (49363 bytes) Tkbwik Uploading an old public-domain work using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]

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Date/TimeThumbnailDimensionsUserComment
current15:21, 14 April 2015Thumbnail for version as of 15:21, 14 April 2015532 × 382 (48 KB)ArthunterTransferred from en.wikipedia
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