Figs. 7,8,9 N.A.O.A. Technical Memorandum No. 803 Figure 7.-Elevator control of the S.E.C.A.T. stabilizer. Own Figure 8.-Variation of appa- ratus shown in figure 7 based on same principle.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.