File:Embryonic development of a salamander, filmed in the 1920s.ogv

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Embryonic_development_of_a_salamander,_filmed_in_the_1920s.ogv ‎(Ogg multiplexed audio/video file, Theora/Vorbis, length 14 min 52 s, 400 × 300 pixels, 558 kbps overall, file size: 59.31 MB)

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Description
English: Early biological silent film, made sometime in the 1920s, which uses time-lapse photography to show the development of a salamander from egg to larvae.
Date
Source https://archive.org/download/Developm1920/Developm1920.ogv (via http://publicdomainreview.org/2012/06/04/development-of-a-salamander-1920s/ )
Author Department of Anatomy at Yale University.
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This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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Date/TimeThumbnailDimensionsUserComment
current01:27, 10 January 201414 min 52 s, 400 × 300 (59.31 MB)File Upload Bot (Magnus Manske) (talk | contribs)Transferred from http://archive.org/download/Developm1920/Developm1920.ogv by [[User:]] using url2commons

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Format Bitrate Download Status Encode time
VP9 240P 301 kbps Completed 19:07, 25 August 2018 9 min 39 s
Streaming 240p (VP9) 144 kbps Completed 19:56, 18 December 2023 2.0 s
WebM 360P 646 kbps Completed 07:45, 30 November 2023 2 min 8 s
Streaming 144p (MJPEG) 982 kbps Completed 00:55, 10 November 2023 17 s
Stereo (Opus) 124 kbps Completed 12:17, 22 November 2023 12 s
Stereo (MP3) 128 kbps Completed 09:49, 2 November 2023 16 s

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