Boy Scouts in a Submarine - novelonlinefull.com
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"What I can't understand," Jack said, sticking to the first proposition, "is how the Diver got here in such good time."
"As has been said, it may be some other craft," Frank consoled.
"Don't believe it," insisted Jimmie. "The boat that dropped that knife is a submarine, else how could she disappear so suddenly? She may be watching us now."
"Or her divers may be prowling around the Sea Lion!" Jack created a little sensation by saying.
"What would be the use of prowling around outside the boat?" asked Jimmie. "They couldn't hear anything, or see anything."
"But a torpedo will act under water," suggested Frank. "Those chaps are equal to anything."
"Shall we go out and look around?" asked Jack.
Ned hesitated. He really was alarmed at the situation. He knew how desperate the Moores must be, and he had no doubt that in some strange way the Diver had been brought to the scene of the wreck.
"If you and Frank are partial to a moonlight stroll under sixty feet of water," he finally said, "you may as well put on your water suits and look around."
"Leave Jimmie here to watch the boat and come with us," urged Jack.
"Go on," Jimmie advised. "I can run this shebang, all right. Go on and see what you can see."
"If we are going out to-night," Ned said, after reflection, "we may as well shift the Sea Lion and inspect the bottom over where we saw the apparent elevation."
"Yes; that may be the wreck," Jack admitted.
So the submarine was moved a short distance to the north, about the s.p.a.ce which had seemed to separate the boys from the elevation, and preparations were made for going out. Jimmie was rather pleased at the idea of being left in charge of the submarine.
"Of course you'll not touch the machinery," Ned warned. "All you can do is to see that the air pumps are kept going. Any motion of the boat, you understand, might break or disarrange the hose carrying the air to us, so be careful."
"Oh, I guess I don't want to murder any of you," laughed the little fellow. "Go ahead and I'll run things all right on board the boat. I could operate her anywhere."
The Sea Lion was lifted only a trifle in order to make the change to the new location. As she moved along she was not much more than a fathom from the level sand below.
This was done by regulating the water in the tanks to the pressure at the depth it was desired to navigate. The delicate mechanisms designed to show depth, pressure, air value, and all the important details of a submarine were absolutely perfect.
So the three boys entered the water chamber, leaving Jimmie grinning through the gla.s.s panel. When the boat was brought to the bottom they opened the outer door and stepped out.
The Sea Lion had traversed only a short distance, yet the surface upon which the lads walked seemed very different from the smooth sand level Ned had seen before. There were now little ridges of sand, and now and then a pit opened up almost under their feet.
A dozen yards from where they emerged from the submarine they came upon the elevation which Ned had observed on his first trip out. It was not, however, a submerged rock or a bit of harder soil in the desert of sand. It was the hull of a wrecked vessel.
Ned moved along one side of the wreck, as far as his air-hose would permit him to go, and was satisfied that he had found the lost mail ship. The sand was already drifting against her sides, but she was still far from buried.
On the port side, about a third of the way to the stern from the bow, the boy discovered the wound which had brought the stately vessel to her present position. She lay, tilted about a quarter, in eighty feet of water.
Ned wondered why pa.s.sing vessels had not discovered her. The tall stacks had been beaten down, probably snapped off at the collision, but the superstructure was high, and not far below the surface, Ned thought.
After motioning Jack and Frank to remain at the break in the side of the ship, Ned clambered up and, being careful to protect his air-hose and line from the jagged edges of the wound, crept inside. His electric flashlight revealed the interior only a short distance ahead of him, but at the very outset he saw that some of the air-tight compartments remained intact.
There was a lifting, swaying motion occasionally which told him that there was still air imprisoned in the broken ship. At that distance from the surface there would be no wave motion to produce the oscillations he observed.
"It is very strange," he mused, as he clambered over bales, chests and boxes in the hold, "that the ship should have gone down so quickly.
Telegraphic reports at the time of the accident--if it was an accident--stated that she sank slowly. It would require only a little a.s.sistance to bring her to the surface."
The boy made his way as far into the interior as he could with his comparatively short air-hose, and then turned back to where he had left Jack and Frank. He had found it impossible, on account of the shifting to the prow of the hold cargo, to reach the cabin and the captain's offices without entering from the top deck.
As he turned around he stopped an instant, his attention attracted by a sound which seemed to come from beyond the bulkhead back of him. It sounded almost like the hiss of escaping steam. The lad knew that it must be a strong vibration which could thus make itself felt at that distance below the surface and through the heavy helmet he wore.
The more he considered the matter the clearer became the fact that it was actually uniform sound he heard. That is, sound brought to his ears by the water.
Some force might be moving the water, and the motion might be conveying to his ears, through the thin sides of the air-hose, the story of the action of the waves, if waves could be created at that depth.
As he listened to the steady beating he became convinced that some unknown power was at work in the wreck. What it was he could not even guess.
Then he heard sharper sounds which seemed to be created by steel striking steel. The jar brought the sound waves to his ears quite distinctly.
"Either I'm going daffy," the boy mused, "or there is some one at work on the wreck."
He left the hold and, without giving the others to understand that he had discovered anything of importance, began an examination of the sand along the line of the bottom. His air-hose was not long enough to admit of pa.s.sing entirely around the vessel, so he motioned to the boys to accompany him and turned back to the submarine.
"Did you hear anything down there?" asked he as soon as the helmets had been removed.
"What are you talking about?" asked Frank, with a laugh. "Water would not convey sound to the ear."
"But the jar of water would," observed Jack. "I heard a jar while I was down there."
"I don't believe it!" Jimmie cut in.
"When in swimming," said Frank, "did you ever sit on the bottom of the swimming hole and pound two stones together?"
"Of course," laughed the little fellow.
"And you heard a noise?"
"I believe I did, but it was not such a noise as one would hear from the same cause in the air."
"Well," Ned went on, "I heard noises down there, too, and I'll tell you right here that I'm alarmed."
"Scared!" roared Jimmie.
"Alarmed at what?" demanded Frank. "I didn't see anything to be alarmed at."
"I have no theory as to what it was I heard," Ned went on, "but I'm going to get a longer air-hose, shift the Sea Lion so she will hang over the wreck, and go down again right away."
"I'm ready!" laughed Jack. "I want to hear that noise again."
"Do you think there are men down there removing the gold?" asked Jack.