johnbr
2nd Lieutenant
Ruggles Orientator motion simulator. Caption on reverse: U.S. Army Spec. #40084-A, 10 Dec 1929. Tutor, Flight, Type A-1. U. A. Gnau, inventor, at side. #30143. Wm. J. Walters in cockpit. Note: Tutor is the forerunner of the Link Trainer.
