Flow phenomena on plates and airfoils of short span (1936)
NASA Technical Reports Server (NTRS) · leaf 27
N.JL.C.A. Technical Memorandum No* 798 Tigs* 5,6,7,8 … figure 7.- Polars of plates Figure 8,- Moment coefficient! with semi-elliptic of plates with semi-elliptic outline and straight leading outline and straight leading edge. e*g«*
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.