File:Edison-827297.gif
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Edison's drawing of an Alkaline Battery for patent 827297.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:35, 12 July 2011 | | 687 × 852 (44 KB) | Ron Broberg (talk | contribs) | Edison's drawing of an Alkaline Battery for patent 827297. |
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