Image:VitaphoneDemo.jpg

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

[edit] Summary

Description: Low-resolution reproduction of 1926 photograph of Western Electric engineer E. B. Craft (on the left) demonstrating Vitaphone sound film system
Source: AT&T Archives via History Department at the University of San Diego

[edit] Licensing

This work is in the public domain in the United States because it was first published in the United States without copyright notice prior to 1978, which causes the work to be irrevocably in the Public Domain. See Copyright.

[edit] 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.

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