Inside Out Library · ExploreLongitudinal stability in relation to the use of an automatic pilot (1938)NASA Technical Reports Server (NTRS) · leaf 46I V Routh's discriminant figure 1.- Variation of South'b discriminant with MqNASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from Longitudinal stability in relation to the use of an automatic pilotMore like this
