File:Koenig apparatus after Helmholtz (ten resonators), 1889.jpg
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Captions
Summary
[edit]DescriptionKoenig apparatus after Helmholtz (ten resonators), 1889.jpg |
English: Rudolph Koenig's sound synthesiser after Helmholtz, as pictured in his 1889 price list. |
Date | |
Source | Rudolph Koenig, Catalogue des Appareils D'Acoustique (1889), p. 26 |
Author | Rudolph Koenig |
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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Public domainPublic domainfalsefalse |
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. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:32, 27 January 2024 | 1,250 × 1,230 (791 KB) | Schminnte (talk | contribs) | Uploaded a work by Rudolph Koenig from Rudolph Koenig, Catalogue des Appareils D'Acoustique (1889), p. 26 with UploadWizard |
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Orientation | Normal |
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Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | GIMP 2.10.32 |
File change date and time | 19:00, 27 January 2024 |
Color space | sRGB |
Unique ID of original document | xmp.did:60d2241d-64e3-41ed-acfb-3bc8fcc04cef |