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File:VitaphoneDemo.jpg

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VitaphoneDemo.jpg (750 × 592 pixels, file size: 60 KB, MIME type: image/jpeg)

Summary

Description
English: Reproduction of 1926 photograph of Western Electric engineer E. B. Craft (on the left) demonstrating Vitaphone sound film system.
Date
Source Via History Department at the University of San Diego
Author Unnamed photographer for Vitaphone / ATT
Permission
(Reusing this file)		 PD-PRE1978.

Licensing

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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Public domain explanation

  • This 1926 photo by an unknown photographer was published in the United States without copyright notification. For evidence of publication, see Index to the Bell Telephone Magazine, vol. XXIV (1945), p. 92.

Transwiki details

An earlier Wikipedia description page is/was here. All following user names refer to en.wikipedia.

  • 2006-10-05 20:19 DCGeist 750×592×8 (61042 bytes) [[Western Electric]] engineer E. B. Craft demonstrating [[Vitaphone]] [[sound film]] system {{promophoto}}
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Date/TimeThumbnailDimensionsUserComment
current08:41, 25 June 2008Thumbnail for version as of 08:41, 25 June 2008750 × 592 (60 KB)Stef48{{Information |Description={{en|Low-resolution reproduction of 1926 photograph of en:Western Electric engineer E. B. Craft (on the left) demonstrating en:Vitaphone en:sound film system}} |Source=Transferred from [http://en.wikipedia.org en.

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