"What's that for?" asked Charlie, to whom cages and their construction were a mystery.
"Safer, and can carry more," answered his host concisely. "These cross-heads and buckets are slow work. A two-deck cage will do the same amount in much less time, and there's no fear of their catching, as these do sometimes."
As he spoke, they paused to look at the gearing of windlass and cable at the mouth of the shaft; then Charlie cautiously approached the opening. After all he had heard of mines and shafts, it was rather disappointing to him to see only a great, square hole leading down into the depths of the earth. What he had expected, it would be hard to say; but it is certain that his disappointment deepened when, after three strokes from the engineer's bell, the hoisting engine suddenly started into life, and, out from the darkness of the shaft, there slowly emerged into view an ungainly contrivance of four great timbers, arranged in a hollow square and hung on a cable, which passed freely through openings in the upper and lower timbers, to carry a huge bucket fastened to its end, while a black-faced miner stood in the bucket, much in the attitude of a jack-in-the-box after the spring is loosed.
"That's what we call the cross-head, above," explained Mr. Everett. "It slides free on the rope, and rests on the fastening of the bucket. Now you see how we bring up the ore."
"But do we have to go down in that thing?" inquired Charlie, drawing back in disgust, as he surveyed the grimy, dusty bucket before him.
"Not unless you prefer it," Mr. Everett answered, laughing. "It's against rules to ride in it; and anyway I usually go on the cross-head, myself, for the bucket reminds me too much of Simple Simon. Step on here," he added, as the crude elevator sank down until the upper beam was on a level with the surface of the ground. "Now, if you just hold on to the rope, you're all right. Let us go slowly, Joe," he went on, to the waiting engineer; "I want to take a look at the shaft, as we go down. We'll try the seven-hundred level to-day."
A moment later, they began to sink away from the light above them, while the opening at the mouth of the shaft grew smaller and smaller to their eyes, and their lamps only cast a sickly, uncertain light on the walls beside them. They went down slowly, so slowly, that, as soon as he had had time to accustom himself to the new sensation, Charlie had plenty of opportunity to examine the walls. For the most part, they were roughly cased with boards and surrounded at intervals by the massive collar-timbers, projecting ten or twelve inches inside the boards. At each side of the shaft were the heavy upright guides, running from top to bottom and serving to keep in place the cross-head, which was fitted to move easily between them. Down, down they went, for what seemed to the boy a limitless distance. They had passed a great square chamber, opening into along, lighted corridor which Mr. Everett had told him were the station and cross-cut at the four-hundred level, and still they were sinking. All at once they came to a sudden stop, and the next instant Charlie felt the rope he was holding slowly drawing down through his hands. Mr. Everett gave a quick exclamation.
"Let go the rope!" he commanded abruptly.
"I'm perfectly willing," answered Charlie, laughing, as he rubbed his tingling palms. "What's up, anyway? We don't seem to be anywhere in particular."
"We're caught a little," replied Mr. Everett quietly. "You needn't be frightened, for it's happened before. All is, the cross-head has caught, and the bucket is going down without us, and taking the rope with it. Have you a steady head?"