Variable Density Tunnel : 無料・フリー素材/写真
Variable Density Tunnel / NASA on The Commons
| ライセンス | No known copyright restrictions(著作権制限なし) |
|---|---|
| 説明 | These section drawings show the VDT with closed (top) and open (bottom) test sections. It was built with a closed test section. The open test section installed after the 1927 fire proved to be unsuccessful, and the original design was replicated in 1930.NASA Media Usage GuidelinesCredit: NASAImage Number: L-2929Date: November 13, 1928 |
| 撮影日 | 1928-11-13 00:00:00 |
| 撮影者 | NASA on The Commons |
| 撮影地 |