File:02-Edison Central Station 3 wire dc system-17.GIF
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02-Edison_Central_Station_3_wire_dc_system-17.GIF (640 × 377 pixels, file size: 42 KB, MIME type: image/gif)
World Book Encyclopedia, 1971 ed., s.v. “electric current.” Author adapted sketch.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:21, 11 August 2008 | | 640 × 377 (42 KB) | Csommero (talk | contribs) |
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