File:Gramme Ring - 6 coil - 3 pole.svg

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Gramme_Ring_-_6_coil_-_3_pole.svg‎ (SVG file, nominally 720 × 473 pixels, file size: 61 KB)
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', 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
Date 1 April 2008(2008-04-01)
Source Own work
Author Borb
Permission
(Reusing this file)
Borb, the copyright holder of this work, hereby publishes it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

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Attribution: Borb
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Original: w:Image:Gramme Ring - 6 coil - 3 pole.png
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Date/TimeThumbnailDimensionsUserComment
current14:46, 1 April 2008Thumbnail for version as of 14:46, 1 April 2008720 × 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
Height 473
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