ADVENTURES OF CAPTAIN HORN
situated under the overhanging ledge of the cave, and was in darkness, so that the captain was obliged to use his lantern. He soon found the great lever which he had clutched when he had swum to the rescue of Ralph, and which had gone down with him and so opened the valve and permitted egress of the water, and which now lay with its ten feet or more of length horizontally near the ground. Near by was the great pipe, with its circular blackness leading into the depths below.
"That stream outside," said the captain, "must run in here somewhere, although I cannot see nor hear it, and it must be stopped off by this valve or another one connected with it, so that if I can get this lever up again, I should shut it off from the stream outside and turn it in here. Then, if that fellow comes back, he will have to swim to the mound, and run a good chance of getting drowned if he does it, and if anybody else comes here, I think it will be as safe as the ancient Peruvians once made it."
With this he took hold of the great lever and attempted to raise it. But he found the operation a very difficult one. The massive bar was of metal, but probably not iron, and although it was not likely that it had rusted, it was very hard to move in its socket. The captain's weight had brought it down easily, but this weight could not now be applied, and he could only attempt to lift it.
When it had first been raised, it was likely that a dozen slaves had seized it and forced it into an upright position. The captain pushed up bravely, and, a few inches at a time, he elevated the end of the great lever. Frequently he stopped to rest, and it was
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