File:Sikorsky YR-4B.HNS-1.jpg
From Infogalactic: the planetary knowledge core
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Summary
In this image taken in 1944, one of Langley Research Center's Sikorsky YR-4B/HNS-1 helicopters is seen in the 30 x 60 Full Scale Tunnel. A technician sets up <a href="//commons.wikimedia.org/wiki/Camera" title="Camera">camera</a> equipment for stop-action rotor-blade photos.
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:08, 12 January 2017 | 3,000 × 2,175 (672 KB) | 127.0.0.1 (talk) | In this image taken in 1944, one of Langley Research Center's Sikorsky YR-4B/HNS-1 helicopters is seen in the 30 x 60 Full Scale Tunnel. A technician sets up <a href="//commons.wikimedia.org/wiki/Camera" title="Camera">camera</a> equipment for stop-action rotor-blade photos. |
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