Public domain
Bell X-1 Research Model on Single Support Strut in 7 x 10 Foot Wind Tunnel
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Modified Bell X-1 model pioneered variable-sweep studies in 1947. Photograph published in Sixty Years of Aeronautical Research 1917-1977 By David A. Anderton. A NASA publication, page 52.
NASA Image and Video Library’s own descriptionCredit lineBell X-1 Research Model on Single Support Strut in 7 x 10 Foot Wind Tunnel. NASA/LRC, 1947-06-14. Public domain. ID: LRC-1947-B701_P-53597.