File:Gramme Ring - 6 coil - 3 pole.png
![File:Gramme Ring - 6 coil - 3 pole.png](https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Gramme_Ring_-_6_coil_-_3_pole.png/800px-Gramme_Ring_-_6_coil_-_3_pole.png?20080112215120)
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Captions
Captions
Summary
[edit]DescriptionGramme Ring - 6 coil - 3 pole.png |
English: 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:
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Date | 21:51, 12 January 2008 (UTC) | |||||
Source | Scanned by Dale Mahalko, Gilman, WI, USA | |||||
Author | DMahalko (talk) | |||||
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Licensing
[edit]Public domainPublic domainfalsefalse |
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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.
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:51, 12 January 2008 | ![]() | 1,228 × 726 (48 KB) | DMahalko (talk | contribs) | == Summary == TBD '''Public Domain''' source: * Hawkins Electrical Guide, Volume 1, Page 178. * Copyright 1917 by Theo. Audel & Co. * Printed in the United States Scanned by Dale Mahalko, Gilman, WI, USA ~~~~ == Licensing == {{PD-US}} |
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Horizontal resolution | 118.11 dpc |
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Vertical resolution | 118.11 dpc |
File change date and time | 21:50, 12 January 2008 |