File:330-PSA-299-61 (USN 710996) (21648817150).jpg
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| Description | 330-PSA-299-61 (USN 710996): Test Cells. One of the four test cells in which air-breathing engines, rockets, and missile models can be tested under simulated flight conditions of high speeds in the upper atmosphere. By releasing high pressure air heated to 8,000 degrees F. against or through the tested unit, the conditions of high speed in the extreme upper atmosphere can be simulated. Dr. H. L. Olsen, left, who heads the Hypersonic Propulsion Laboratory at the Applied Physics Laboratory of John Hopkins Laboratory examines complicated exhaust system of the cell. Nozzels around the inside of the exhaust pipe provide water spray which cool cases from test cells before they are released into the escape vent. Photograph released December 22, 1961. (9/29/2015). |
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| Source | 330-PSA-299-61 (USN 710996) |
| Author | National Museum of the U.S. Navy |
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This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/21648817150 (archive). It was reviewed on 10 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
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This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 05:24, 10 July 2018 | | 2,939 × 2,344 (1.01 MB) | Hiàn (alt) (talk | contribs) | Transferred from Flickr via #flickr2commons |
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