Inside Out Library · Explore
Pressure distribution on wing ribs of the VE-7 and TS airplanes in flight Part II : pull-ups (1928)
NASA Technical Reports Server (NTRS) · leaf 22
K.A.C.A. Technical Note No.277 Fig.6cNASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
More pictures from Pressure distribution on wing ribs of the VE-7 and TS airplanes in flight Part II : pull-ups
More like this