Fitxer:Dr Aron's electricity meter (Forty Years of Electrical Progress).jpg

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Fitxer original ‎(708 × 1.010 píxels, mida del fitxer: 140 Ko, tipus MIME: image/jpeg)

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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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Font Scan from [[http://philosopedia.org/index.php/Adam_Gowans_Whyte | Whyte, Adam Gowans (d. 1950)]] (1930) Forty Years of Electrical Progress, Londres: Ernest Benn, p. p. 159
Autor Andy Dingley (scanner)
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This UK artistic or literary work, of which the author is unknown and cannot be ascertained by reasonable enquiry, is in the public domain because it is one of the following:
  • A photograph, which has never previously been made available to the public (e.g. by publication or display at an exhibition) and which was taken more than 70 years ago (before 1 January 1954); or
  • A photograph, which was made available to the public (e.g. by publication or display at an exhibition) more than 70 years ago (before 1 January 1954); or
  • An artistic work other than a photograph (e.g. a painting), or a literary work, which was made available to the public (e.g. by publication or display at an exhibition) more than 70 years ago (before 1 January 1954).

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Data/horaMiniaturaDimensionsUsuari/aComentari
actual18:48, 14 gen 2010Miniatura per a la versió del 18:48, 14 gen 2010708 × 1.010 (140 Ko)Andy Dingley{{Scans from 'Forty Years of Electrical Progress'}}

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