File:Dr Aron's electricity meter (Forty Years of Electrical Progress).jpg
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DescriptionDr Aron's electricity meter (Forty Years of Electrical Progress).jpg |
Dr Aron's electricity meter of 1888 The first commercial electricity meter introduced to England. (p. 31) It was the invention of the German Dr Hermann Aron and was made and sold in the UK by Hugo Hirst of GEC. |
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Source | Scan from [[http://philosopedia.org/index.php/Adam_Gowans_Whyte | Whyte, Adam Gowans (d. 1950)]] (1930) Forty Years of Electrical Progress, London: Ernest Benn, pp. p. 159 | ||||
Author | Andy Dingley (scanner) | ||||
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current | 16:48, 14 January 2010 | 708 × 1,010 (140 KB) | Andy Dingley (talk | contribs) | {{Scans from 'Forty Years of Electrical Progress'}} |
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