Image:D'Arsonval ammeter movement.jpg
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[edit] Summary
| Description |
Drawing of D'Arsonval ammeter movement, of Weston type, from around 1900. Only the pole pieces of the horseshoe-shaped magnet are shown, and part of the left-hand pole piece is broken out by the artist to show the coil. The screwdriver slot at the top of the axis is for adjusting the meter to zero. Alterations: removed caption, and faint background discoloration. |
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| Source |
Downloaded from Flather, John J. (1900) Dynamometers and the Measurement of Power, 2nd Ed., John Wiley & Sons, New York, p.236, fig.81 on Google Books. The drawing is signed 'Bartlett & Co. N.Y.' |
| Date |
1900 |
| Author |
Bartlett & Co. N.Y. |
| Permission (Reusing this image) |
Public domain - published in US before 1923 |
[edit] Licensing
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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, 1923. See this page for further explanation.
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This image might not be in the public domain outside of the United States (this especially applies in Canada, China (not Hong Kong, Macao, or Taiwan Area), 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. |
File history
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| Date/Time | Dimensions | User | Comment | |
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| current | 20:16, 10 December 2007 | 844×785 (75 KB) | Chetvorno | ({{Information |Description=Drawing of D'Arsonval ammeter movement. |Source=Downloaded from [http://books.google.com/books?id=lFcEAAAAMAAJ&pg=PA236 Flather, John J. (1900) ''Dynamometers and the Measurement of Power, 2nd Ed.'', John Wiley & Sons, New York) |
