File:EB1911 - Transformers - Fig. 4.png

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English: Fig. 4.—Typical Efficiency Curve of Closed Circuit Transformer.
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Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_27.djvu/189
Author AnonymousUnknown author

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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current14:44, 10 March 2023Thumbnail for version as of 14:44, 10 March 2023690 × 618 (65 KB)Sp1nd01 (talk | contribs)Uploaded a work by Anonymous from https://en.wikisource.org/wiki/Page:EB1911_-_Volume_27.djvu/189 with UploadWizard

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