File:Holtz Electrostatic Influence Machine II.jpg
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English: This machine was the first really powerful influence machine, invented in 1865, and was very popular, even requiring external excitation to start. By Dr. Antônio Carlos M. de Queiroz (in memoriam).
http://www.coe.ufrj.br/~acmq/holtz.html https://www.youtube.com/user/acmdq2007/videos |
| Date | |
| Source | Own work |
| Author | DrAntonioCarlosMdeQueiroz |
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I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:36, 31 May 2021 | | 500 × 375 (25 KB) | DrAntonioCarlosMdeQueiroz (talk | contribs) | Uploaded own work with UploadWizard |
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