It was exactly one o'clock.  Both airplanes taxied down the runway side by side.  They also arose together, amid a great cheering, some ninety feet apart, shooting grandly up into the air above the heads of the people in the lower end of the field.  At a height of a thousand feet, the gray _Clarion_ bent eastward.  At fifteen hundred feet, the Sky-Bird did likewise.  From the open windows of each of the cabins fluttered white handkerchiefs in a final farewell, and many a broad-brimmed hat in the hands of the excited populace below was waved in answer.