Aerodynamic Forces and Moments of a Seaplane on the Water (1933)
NASA Technical Reports Server (NTRS) · leaf 7
4 N.A.C.A. Technical Memorandum Ho. 728 Figs. 1,2,3 Figure 1.- Model suspended in wind tunnel over plate representing surface of water. … Figure 3.- Device for securing model to suspension rod.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.