File:Ruhmer photographophone (1901).jpg
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Summary
[edit]DescriptionRuhmer photographophone (1901).jpg |
English: The photographophone recorded audio as visible lines on film stock |
Date | |
Source | Figure 3 from "The 'Photographophone'", Scientific American, July 20, 1901, page 36. |
Author | Scientific American, New York |
Licensing
[edit]Public domainPublic domainfalsefalse |
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Ruhmer_photographophone_(1901).jpg |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:53, 30 June 2023 | 819 × 636 (97 KB) | Thomas H. White (talk | contribs) | Uploaded a work by Scientific American, New York from Figure 3 from "The 'Photographophone'", Scientific American, July 20, 1901, page 36. with UploadWizard |
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop Elements 2.0 |
File change date and time | 05:35, 30 June 2023 |
Color space | Uncalibrated |