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File:JohnTyndall(1820-1893),Engraving,SIL14-T003-09a cropped.jpg

Original file ‎(938 × 994 pixels, file size: 106 KB, MIME type: image/jpeg)

Summary

Description
English: This is a cropped copy of an engraving of physicist John Tyndall (1820-1893). At the foot of the uncropped copy is the words: "Etch by H.B. Hall N.Y. 1878". Tyndall would've been 58 in 1878 but looks younger than 58 in the engraving. The engraving was done from a photograph dated some years earlier (perhaps 1872 because Tyndall was in New York (N.Y.) in 1872).
Date (UTC)
Source Taken from the Smithsonian Institution's digital collection of portraits on the Internet at Portraits from the Dibner Library of the History of Science and Technology. The uncropped copy is viewable there: http://www.sil.si.edu/imagegalaxy/imageGalaxy_enlarge.cfm?id_image=2974 .
Author See Description above.
Permission
(Reusing this file)		 Public domain because of its age

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

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.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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John Tyndall

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11 November 2009

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Date/TimeThumbnailDimensionsUserComment
current11:23, 22 January 2014Thumbnail for version as of 11:23, 22 January 2014938 × 994 (106 KB)P. S. Burtonbetter crop
23:49, 10 September 2011Thumbnail for version as of 23:49, 10 September 2011586 × 728 (125 KB)Materialscientistless tight crop, from the source at http://www.sil.si.edu/imagegalaxy/imageGalaxy_enlarge.cfm?id_image=2974
18:03, 16 August 2010Thumbnail for version as of 18:03, 16 August 2010448 × 640 (70 KB)原聖{{Information |Description={{en|1= This is a cropped copy of an engraving of phyicist John Tyndall (1820-1893). At the foot of the uncropped copy is the words: "Etch by H.B. Hall N.Y. 1878". Tyndall would've been 58 in 1878 but he looks a good bit young
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