File:Gramme Ring - 6 coil - 3 pole.svg
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DescriptionGramme Ring - 6 coil - 3 pole.svg |
Drawing based on w:Image:Gramme Ring - 6 coil - 3 pole.png. Description from there: From illustration caption: Gramme ring armature with six coils. The sine curves 1, 2, and 3, represent the conditions due to coils AA', BB', and CC', respectively and 4, the resultant pulsations. Public Domain source: * Hawkins Electrical Guide, Volume 1 * Chapter 14: The Dynamo: Current Commutation * Page 178, Figure 186 * Copyright 1917 by Theo. Audel & Co. * Printed in the United States For a list of all these illustrations used in Wikipedia please see the article w:Hawkins Electrical Guide. Scanned by Dale Mahalko, Gilman, WI, USA |
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Source | Own work | ||
Author | Borb | ||
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Borb, the copyright holder of this work, hereby publishes it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license. Attribution: Borb
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Other versions | Original: w:Image:Gramme Ring - 6 coil - 3 pole.png |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:46, 1 April 2008 | 720 × 473 (61 KB) | Borb (talk | contribs) | {{Information |Description=Drawing based on w:Image:Gramme Ring - 6 coil - 3 pole.png. Description from there: From illustration caption: Gramme ring armature with six coils. The sine curves 1, 2, and 3, represent the conditions due to coils AA', BB |
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Width | 720.23877 |
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Height | 472.7883 |