Delwedd:Lord Kelvin photograph.jpg

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Disgrifiad
English: Photograph of William Thomson, Lord Kelvin.
Dyddiad First published Photographische Gesellschaft, Berlin
Ffynhonnell Portrait of William Thomson, Baron Kelvin, Smithsonian Libraries
Awdur "Photo by Messrs. Dickinson, London, New Bond Street" (according to http://www.sil.si.edu/DigitalCollections/hst/scientific-identity/fullsize/SIL14-T002-07a.jpg)
Diwygiadau eraill

Trwyddedu

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Dyddiad / AmserBawdlunHyd a lledDefnyddiwrSylw
cyfredol20:47, 7 Tachwedd 2010Bawdlun y fersiwn am 20:47, 7 Tachwedd 2010939 × 1,176 (71 KB)QuibikRemoved some JPEG artifacts, removed a vertical line, increased contrast.
16:17, 16 Gorffennaf 2010Bawdlun y fersiwn am 16:17, 16 Gorffennaf 2010939 × 1,176 (36 KB)LobStoRlossless crop from source JPEG image, "lossless" reduction from 24-bit RGB to 8-bit greyscale
23:06, 17 Hydref 2005Bawdlun y fersiwn am 23:06, 17 Hydref 2005944 × 1,180 (386 KB)Fastfission~commonswikiPhotograph of William Thomson, Lord Kelvin. ==Licensing== *Image source: http://www.sil.si.edu/digitalcollections/hst/scientific-identity/CF/display_results.cfm?alpha_sort=k *Licensing: PD because of age (Kelvin himself died in 1907; seems very unli

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