Image:GrammeMachine.jpg
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[edit] Sumario
| Description |
English: The Gramme machine or Gramme dynamo, an electrical generator designed by Belgian inventor Zénobe Gramme in 1871. It was the first machine to be used industrially to generate power. His innovation was to use many armature windings, wound on a doughnut shaped armature, and switched with a many segmented commutator, to smooth the output waveform, producing nearly constant DC power. This shows a hand cranked model from the 1870s designed for use in laboratories, it's output was equivalent to "eight ordinary Bunsen elements [batteries]". It used laminated permanent magnets invented by Jamin.
Español: Máquina de Gramme
For more information see Hippolyte Fontaine (1878) Electric Lighting: A Practical Treatise, translated from French by Paget Higgs, E. & F.N. Spon, London, UK, p.86 |
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| Source |
self-made |
| Date |
2007-04-12 |
| Author | |
| Permission (Reusing this image) |
see below |
[edit] Licensing
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I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide. In case this is not legally possible: Afrikaans | Alemannisch | Aragonés | العربية | Asturianu | Български | Català | Česky | Cymraeg | Dansk | Deutsch | Eʋegbe | Ελληνικά | English | Español | Esperanto | Euskara | Estremeñu | فارسی | Français | Galego | 한국어 | हिन्दी | Hrvatski | Ido | Bahasa Indonesia | Íslenska | Italiano | עברית | Kurdî / كوردی | Latina | Lietuvių | Latviešu | Magyar | Македонски | Bahasa Melayu | Nederlands | Norsk (bokmål) | Norsk (nynorsk) | 日本語 | Polski | Português | Ripoarisch | Română | Русский | Shqip | Slovenčina | Slovenščina | Српски / Srpski | Svenska | ไทย | Tagalog | Türkçe | Українська | Tiếng Việt | Walon | 中文(简体) | 中文(繁體) | zh-yue-hant | +/- |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 06:39, 15 December 2007 | 2,592×3,888 (422 KB) | Tamorlan | ({{Information |Description= {{en|'''Gramme machine''' o '''Gramme dynamo'''}} {{es|Máquina de Gramme}} |Source=self-made |Date= 2007-04-12 |Author= Tamorlan |Permission= see below |other_versions= }} Category:Electrical generators) |
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Metadata
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| Camera manufacturer | Canon |
|---|---|
| Camera model | Canon EOS 400D DIGITAL |
| Exposure time | 1/60 sec (0.016666666666667) |
| F-number | f/6.3 |
| Date and time of data generation | 17:30, 12 April 2007 |
| Lens focal length | 35 mm |
| Orientation | Normal |
| Horizontal resolution | 72 dpi |
| Vertical resolution | 72 dpi |
| Software used | Adobe Photoshop CS Windows |
| File change date and time | 07:37, 15 December 2007 |
| Y and C positioning | 2 |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | Manual white balance |
| Scene capture type | Standard |
| Exposure Program | Normal program |
| ISO speed rating | 1600 |
| Exif version | 2.21 |
| Date and time of digitizing | 17:30, 12 April 2007 |
| Shutter speed | 5.9068908691406 |
| Aperture | 5.3106994628906 |
| Exposure bias | 0 |
| Metering mode | Partial |
| Flash | 16 |
| Color space | sRGB |
| Focal plane X resolution | 4453.6082474227 |
| Focal plane Y resolution | 4433.2953249715 |
| Focal plane resolution unit | inches |
