File:Ear Phonautograph.jpg
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Captions
Captions
A Sketch of Ear Phonautograph by Alexander Graham Bell.
Summary
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| Description |
English: A Sketch of Ear Phonautograph by Alexander Graham Bell. on the book "The Telephone: A lecture entitled Researches in Electric Telephony" on the Gutenberg Project. |
| Date | |
| Source | https://www.gutenberg.org/cache/epub/55787/pg55787-images.html |
| Author | Alexander Graham Bell |
Licensing
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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.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:16, 9 April 2024 | | 400 × 428 (56 KB) | 松浦知也 (talk | contribs) | Uploaded a work by Alexander Graham Bell from https://www.gutenberg.org/cache/epub/55787/pg55787-images.html with UploadWizard |
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