File:WattmeterAcostaMexico.JPG
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:51, 18 September 2008 | 1,600 × 1,200 (195 KB) | wikimediacommons>Thelmadatter | {{Information |Description={{en|1=Early wattmeter on display at the Historic Archive and Museum of Mining in Pachuca Mexico}} |Source=Own work by uploader |Author=Thelmadatter |Date=14 Sept 2008 |Permission= |other_versions= }} <!-- |
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