File:Koenig apparatus after Helmholtz (ten resonators), 1889.jpg
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Summary
| Description |
English: Rudolph Koenig's sound synthesiser after Helmholtz, as pictured in his 1889 price list. |
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| Source | Rudolph Koenig, Catalogue des Appareils D'Acoustique (1889), p. 26 |
| Author | Rudolph Koenig |
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.
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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 100 years or fewer.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:32, 27 January 2024 | | 1,250 × 1,230 (791 KB) | Schminnte | Uploaded a work by Rudolph Koenig from Rudolph Koenig, Catalogue des Appareils D'Acoustique (1889), p. 26 with UploadWizard |
File usage
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