File:Kohl apparatus after Helmholtz (eight resonators), c. 1911.jpg
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Kohl_apparatus_after_Helmholtz_(eight_resonators),_c._1911.jpg (722 × 498 pixels, file size: 137 KB, MIME type: image/jpeg)
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Summary
| Description |
English: Max Kohl AG's sound synthesiser after Helmholtz (eight resonator version), as pictured in their c. 1911 price list. |
| Date | c. 1911 |
| Source | Max Kohl AG, Price List No. 50 Vols II and III (c. 1911), p. 459 |
| Author | Max Kohl AG |
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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:32, 27 January 2024 | | 722 × 498 (137 KB) | Schminnte | Uploaded a work by {{Unknown|author}} from Max Kohl AG, Price List No. 50 Vols II and III (c. 1911), p. 459 with UploadWizard |
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