File:Edison-831269-b.gif

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Original file(839 × 914 pixels, file size: 64 KB, MIME type: image/gif)

Edison's second drawing for storage battery electrode plate patent (831269).

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current14:55, 12 July 2011Thumbnail for version as of 14:55, 12 July 2011839 × 914 (64 KB)Ron Broberg (talk | contribs)Edison's sedond drawing for storage battery electrode plate patent (831269).

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