THE AIRPLANE IN CATALPA SPHINX CONTROL 



131 



Fig. 9. Lieut. J. A. Macready (right) who piloted the plane and 



Mr. E. Dormoy (left) who designed the hopper and 



operated it during the flight 



Fig. 10. The hopper for carrying and distributing the poison, secured 

 to the side of the fusilage and opposite the passenger cockpit 



