He stopped suddenly and shrugged his shoulders.
"What were you going to say?" inquired Ned.
"Oh, it's just something that might happen, but it's too remote a possibility to work about. We're leaving those fellows nicely behind," he added quickly, as though anxious to change the subject.
"Yes, at this rate we'll soon be out of France," observed Tom, as he speeded the ship along still more. The young inventor wondered what Mr. Petrofsky had been going to say, but soon after this, some of the repaired machinery in the motor room needed adjusting, and the young inventor was kept so busy that the matter passed from his mind.
The dynamo and magneto were doing much more efficient work since Tom had put the new platinum in, and the Falcon was making better time than ever before. They were flying at a moderate height, and could see wondering men, women and children rush out from their houses, to gaze aloft at the strange sight. Paris was now far behind, and that night they were approaching the borders of Prussia, as Mr. Petrofsky informed them, for he knew every part of Europe.
The route, as laid down by Tom and the Russian, would send the airship skirting the southern coast of the Baltic sea, then north-west, to pass to
