Fil:Thomson wattmeter.jpg
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Thomson_wattmeter.jpg (531 × 513 piksler, filstørrelse: 39 KB, MIME-type: image/jpeg)
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Beskrivelse
| Beskrivelse |
English: Drawing of Thomson recording wattmeter, invented by Elihu Thomson in 1888, made by the Thomson-Houston Co. around 1900. This is still the most common design for electric meters.
Русский: Чертеж Thomson Wattmeter, изобретенный Элиухом Томсоном в 1888 году, изготовленный Thomson-Houston Co. около 1900 года. Это все еще самый распространенный дизайн для электрических счетчиков. |
| Dato | |
| Kilde | Downloaded from Arthur Vaughn Abbott, (1907) The Electrical Transmission of Energy, 5th Ed., D. Van Nostrand Co., New York, p.295, fig.222 on Google Books |
| Opphavsperson | Arthur Vaughn Abbott |
| Tillatelse (Gjenbruk av denne filen) |
Public domain - published in USA before 1923 |
Lisensiering
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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| Dato/klokkeslett | Miniatyrbilde | Dimensjoner | Bruker | Kommentar | |
|---|---|---|---|---|---|
| nåværende | 14. des. 2007 kl. 20:14 | | 531 × 513 (39 KB) | Chetvorno | {{Information |Description=Drawing of Thomson recording wattmeter, invented by Elihu Thomson in 1888, made by the Thomson-Houston Co. around 1900. This type is still used today as electric meters. |Source=Downloaded from [http://books.google.com/books?id |
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