File:Vowels Figures Willis 1830 33 Figure 10.png
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Summary
| Description |
English: Illustration of apparatus for producing vowel sounds. From:Willis, Robert (1930). "On vowel sounds, and on reed organ pipes". Transactions of the Cambridge Philosophical Society 3: 261-268. |
| Date | |
| Source | https://archive.org/details/willis-1828b-transactionsofca-03camb/page/n32 |
| Author | Willis, Robert, 1800-1875 |
| Other versions |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. 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. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:22, 13 June 2021 | 1,545 × 433 (116 KB) | Kognos | File:Vowels Figures Willis 1830 33.png cropped 42 % horizontally, 88 % vertically using CropTool with lossless mode. |
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