He walked across the track, and then down by its side a short distance, coming to an old freight-car, which he entered. It was his dwelling.
Resuming his cautious walk, Carlos soon reached the tower. He pushed the door open and stepped within. Lighting a match, he looked searchingly around.
Yes, there was what he sought—a box of tools. Fumbling among them, he succeeded in finding a file. Taking possession of it, he stepped outside again, and around to the rear of the structure.
The file was a large, clumsy instrument, but by dint of twenty minutes’ industrious work, he freed himself of the handcuff. He cast it into a ditch by the side of the track, and then replaced the file where he had found it.
This done, he again walked to a safe distance from the water-tower. He stood alone in the night air, divested of the most dangerous mark of recognition.
What next?
CHAPTER XIII.
STRANGE DISCOVERIES.
On the day of the examination of Carlos, strange things happened in and near Leonard Lester’s subterranean prison.
Leonard awoke early in the morning, after a night of fitful sleep. His first thoughts were, of course, of Carlos, and of the message he had sent him. He wondered whether it would reach him in time, and, if it did, whether the important words in German would catch his attention.