File:HD.11C.023 (13405387365).jpg
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Original file (2,321 × 2,984 pixels, file size: 392 KB, MIME type: image/jpeg)
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Summary
| Description |
English: The Jacobs wind energy conversion system was popular in the 1930s, and rebuilding old Jacobs machines has become a popular activity in the 1970s among people looking for alternate energy resources for farms and rural buildings. |
| Date | circa 1977 |
| Source | HD.11C.023 |
| Author | ENERGY.GOV |
Licensing
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This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.
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This image was originally posted to Flickr by ENERGY.GOV at https://www.flickr.com/photos/37916456@N02/13405387365. It was reviewed on 12 October 2014 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:48, 12 October 2014 | | 2,321 × 2,984 (392 KB) | Bomazi | Transferred from Flickr via Flickr2commons |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
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