The young inventor’s disappointment was so great that he came near leaving the wagon to pursue the villain.
“Begorra, av ther divil ain’t got clane away entoirely!” cried Barney in dismay.
“I’m sorry,” returned Frank. “But take the precaution now, Barney, to bolt that door.”
Barney complied with alacrity.
Then he was obliged to return to his post, for the enemy were thick in the rear.
But the next moment the Steam Man topped the rise.
A volley from the Vigilants drove the cowboys back for the time.
Then Frank Reade, Jr., brought the machine to a halt upon the plateau.
The Vigilants were wild with delight, and crowded about the Steam Man. Frank Reade, Jr., opened the door and descended among them.
In an instant Harmon was by his side and had gripped his hand.