Delwedd:LinusPaulingGraduation1922.jpg

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Daw'r ffeil hon o Comin Wikimedia a gellir ei defnyddio gan brosiectau eraill. Dangosir isod y disgrifiad sydd ar dudalen ddisgrifio'r ffeil yno.

Disgrifiad Linus Pauling's graduation portrait from Oregon Agricultural College. He graduated with a degree in chemical engineering in 1922.
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Ffynhonnell

Transferred from en.wikipedia to Commons by Maksim.

The original description page was here. All following user names refer to en.wikipedia.

A higher resolution photo is available from the source.

Source: National Library of medicine, copyright expired due to age of photo.
Awdur unknown university portrait photographer
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(Ailddefnyddio'r ffeil hon)		 PD-US - see below
Public domain
Public domain
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.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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date/time username edit summary
10:56, 19 July 2004 en:User:Chris 73
09:37, 9 May 2004 en:User:Chris 73 (A higher resolution photo is available from the source)
09:34, 9 May 2004 en:User:Chris 73 (source)
09:32, 9 May 2004 en:User:Chris 73 (Linus Pauling's graduation portrait )

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Dyddiad / AmserBawdlunHyd a lledDefnyddiwrSylw
cyfredol12:02, 7 Mai 2020Bawdlun y fersiwn am 12:02, 7 Mai 20201,779 × 2,497 (530 KB)MaterialscientistReverted to version as of 00:24, 4 June 2011 (UTC)
15:38, 19 Rhagfyr 2011Bawdlun y fersiwn am 15:38, 19 Rhagfyr 20111,779 × 2,497 (498 KB)EsquiloConverted to true greyscale
00:24, 4 Mehefin 2011Bawdlun y fersiwn am 00:24, 4 Mehefin 20111,779 × 2,497 (530 KB)Materialscientistcontrast, crop
11:36, 15 Ionawr 2011Bawdlun y fersiwn am 11:36, 15 Ionawr 20111,779 × 2,759 (1.9 MB)P. S. Burtonhigher resolution, plus some restoration
11:46, 21 Mawrth 2007Bawdlun y fersiwn am 11:46, 21 Mawrth 2007902 × 1,394 (89 KB)Kelsoncropped
20:03, 28 Ionawr 2006Bawdlun y fersiwn am 20:03, 28 Ionawr 20061,024 × 1,516 (84 KB)MaksimLa bildo estas kopiita de wikipedia:en. La originala priskribo estas: Linus Pauling's graduation portrait from Oregon Agricultural College. He graduated with a degree in chemical engineering in 1922. A higher resolution photo is available from the sourc

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