wheels, already well heated by the furnace, had loosened by expansion and slipped nearly off the wheels. In a little while the throttle was cooled and closed, and a fresh fire was made; but when they gave the engine steam she refused to move. She was uncoupled, and still refused to go; and then they saw that her tires had cooled and clasped the fire-box, and the fire-box, expanding, held them there and locked the wheels.
When they had put out her fire, the wheels let loose, so that a yard engine could drag her back to the round-house. All the way her scarred wheels ground and ground against her frame, while Hansen sat in the tank with his thin yellow whiskers full of coal dust, and nobody but he knew that he had opened the throttle.
During the weeks that followed, while the 13 was being repaired, having her tires turned down to remove the slivers of steel, and getting reset and repainted, Hansen never left her for a single hour. His condition became so pitiable that the engineers, who had at first looked upon him with contempt, now spoke kindly to him
