3 BLADE FLUTTER CASCADE RIG IN THE DUCT LAB - NARA - 17475094.jpg
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3 BLADE FLUTTER CASCADE RIG IN THE DUCT LAB NARA 17475094, US National Archives series: Photographs Relating to Agency Activities, Facilities and Personnel, Images from the National Archives and Records Administration, US National Archives location: other, 3 BLADE FLUTTER CASCADE RIG IN THE DUCT LAB
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3 国立公文書館所蔵の「国立公文書館活動・施設・人事関係写真」のうち、国立公文書館所蔵の画像:他、国立公文書館所蔵の3枚
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flutter cat rig duct