rear, was railed about, to prevent accidents. A fine view could be had from them much better than through the floor windows of the car.
"Be careful of the propeller," advised Tom, as his friend went outside. "I don't believe you're tall enough to be hit by the blades, but don't take any chances of standing on your tiptoes."
"Bless my pocket handkerchief, indeed I'll not," came the answer. "But I think I shall wrap up my throat in the scarf I brought along. I am subject to neuralgia, and the breeze may bring on an attack of it."
Wrapping a long, woolen scarf about his neck, the eccentric man ventured out on the open platform. About the middle of it, but sufficiently high to be above a person's head, was the forward propeller, whirring around at swift speed.
Tom, with his eye on the various gauges and the compass, was steering the airship. He glanced at Mr. Damon, who appeared to be enjoying the view from the platform. For an instant the eyes of the lad were taken from the form of his friend. He looked back suddenly, however, his attention attracted by a smothered cry. He was horrified by what he saw.
Mr. Damon was leaning far over the edge of the railing, with nothing between him and the earth a thousand feet below. He seemed to have