23 Mar

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

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|Description={{en|1=

|Description={{en|1=

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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 younger than 58 in the engraving.}}
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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).}}
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|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.
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|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.

|Author=See Description above.

|Date=22:07, 11 November 2009 (UTC)

|Date=22:07, 11 November 2009 (UTC)
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|Permission=
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|Permission=Public domain because of its age

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|other_versions=

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== Licensing ==

== Licensing ==
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{{PD-Art}}
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{{PD-1923}}
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{{Check categories|year=2010|month=August|day=17
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{{PD-Old}}
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|lang1=en|wiki1=wikipedia|article1=John_Tyndall

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|lang2=ja|wiki2=wikipedia|article2=ジョン・チンダル

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|gallery1=John Tyndall

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|ncats=1

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}}

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[[Category:John Tyndall]]

[[Category:John Tyndall]]

http://commons.wikimedia.org/w/index.php?title=File:JohnTyndall(1820-1893),Engraving,SIL14-T003-09a_cropped.jpg&diff=93147332&oldid=59210704