File:Salient pole bipolar series field generator.jpg

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Description

From illustration caption:

Salient pole, bipolar field magnet with single coil wound around the yoke.
Date
Source

Public Domain source:

  • Hawkins Electrical Guide, Volume 1
  • Chapter 16: Field Magnets
  • Page 200, Figure 201
  • 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 en:Hawkins Electrical Guide.

Scanned by Dale Mahalko, Gilman, WI, USA

DMahalko (talk) 04:10, 13 January 2008 (UTC)

Originally uploaded on en.wikipedia (Transferred by Ukexpat)
Author Theo. Audel & Co.

Licensing

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Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

Original upload log

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The original description page was here. All following user names refer to en.wikipedia.

Upload date | User | Bytes | Dimensions | Comment

  • 2011-08-25 18:51:49 | Wikfr | 60015 | 1193×1229 | Reverted to version as of 04:10, 13 January 2008
  • 2011-08-25 18:50:52 | Wikfr | 118628 | 1193×1229 | Shade pole so it does not get confused with the wires.
  • 2008-01-13 04:10:09 | DMahalko | 60015 | 1193×1229 | Figure 201. Salient pole, bipolar field magnet with single coil wound around the yoke. '''Public Domain''' source: * Hawkins Electrical Guide, Volume 1 * Chapter 16, Page 200. * Copyright 1917 by Theo. Audel & Co. * Printed in the United States Scanned

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Date/TimeThumbnailDimensionsUserComment
current14:34, 26 August 2011Thumbnail for version as of 14:34, 26 August 20111,193 × 1,229 (59 KB)OgreBot (talk | contribs)(BOT): Reverting to most recent version; originally uploaded at en.wikipedia on 2008-01-13 04:10:09 by DMahalko
14:34, 26 August 2011Thumbnail for version as of 14:34, 26 August 20111,193 × 1,229 (116 KB)OgreBot (talk | contribs)(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2011-08-25 18:50:52 by Wikfr
14:30, 26 August 2011Thumbnail for version as of 14:30, 26 August 20111,193 × 1,229 (59 KB)Ukexpat (talk | contribs){{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} The tool and the bot are operated by User:Jan Luca and User:Magnus Manske. =={{int:filedesc}}== {{Information |description=From

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