File:1911 Britannica - Lord Kelvin's Ampere Balance.png
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Summary[edit]
| Description |
English: Lord Kelvin's ampere balance. Illustration from 1911 Encyclopædia Britannica, article Amperemeter. |
| Date | |
| Source |
 Encyclopædia Britannica Eleventh Edition, Vol. 1, Page 882 |
| Author | Encyclopædia Britannica, 1911 |
Licensing[edit]
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This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:55, 8 January 2012 | | 1,080 × 610 (58 KB) | Clarice Reis (talk | contribs) |
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