File:GrammeMachine.jpg

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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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Author Tamorlan
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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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current06:39, 15 December 2007Thumbnail for version as of 06:39, 15 December 20072,592 × 3,888 (422 KB)Tamorlan (talk | contribs){{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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