the industry was hard pressed, and the improvement of types was gravely delayed. That we are demonstrating the practicability of aerial transport, is due to the courage and the patience, the vision and the persistence of the men who designed and built and flew the craft which have startled and inspired America. PRESENT AND PROBABLE USES OF AIRCRAFT To enable the reader to visualize the impressive scope of aerial transport, there is offered the following tabulation of present and probable uses of aircraft: |