File:VitaphoneDemo.jpg
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VitaphoneDemo.jpg (750 × 592 pixels, file size: 60 KB, MIME type: image/jpeg)
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Summary
DescriptionVitaphoneDemo.jpg |
English: Reproduction of 1926 photograph of en:Western Electric engineer E. B. Craft (on the left) demonstrating en:Vitaphone en: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
Public domainPublic domainfalsefalse |
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}}
Annotations InfoField | This image is annotated: View the annotations at Commons |
microphone
audio speaker
soundtrack for film on disc phonograph record
Items portrayed in this file
depicts
1926
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:41, 25 June 2008 | 750 × 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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