File:PSM V88 D138 Helping heat a room.png

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PSM_V88_D138_Helping_heat_a_room.png (520 × 510 pixels, file size: 85 KB, MIME type: image/png)

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English: Helping heat a room
Date
Source Popular Science Monthly Volume 88
Author Unknown authorUnknown author

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Public domain
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.
United States
United States
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current05:07, 10 November 2012Thumbnail for version as of 05:07, 10 November 2012520 × 510 (85 KB)Ineuw (talk | contribs)User created page with UploadWizard

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