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Read Ebook: Through Space to Mars; Or the Longest Journey on Record by Rockwood Roy
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Ebook has 1806 lines and 48266 words, and 37 pages
"I haven't named it yet. I want to collect it in the jar and show it to Professor Lenton. He said he didn't believe I could make it."
The boys resumed their careful watching of the experiment. It was a nervous moment, for, from experience, Mark knew you never could tell what would happen when Jack began to try new combinations of chemicals. He was ready to drop down on an instant's warning, out of the way of flying missiles.
"See any bubbles in that pan of water yet?" cried Jack.
"No, not yet."
"That's queer. The test tube is full of the yellow gas, and some ought to be over to where you are now. I'm going to turn on some more heat."
He increased the Bunsen flame. The crackling noise was louder. The test tube became a fiery red.
"It's bubbling now!" suddenly called Mark.
"That's good! The experiment is a success! I knew I could make it. Is any of the gas coming up in the glass jar?"
Mark bent over to make a closer examination. There were a few seconds of silence, broken only by the roaring of the burner and the crackling of the black powder.
"Yes, there is vapor in the jar," he said.
"Good! That's the stuff!" cried Jack. "Now I guess Professor Lenton will admit that I'm right."
He turned the Bunsen flame up higher. A moment later he uttered a cry, for he saw the cork being forced from the test tube. The pressure of the new gas was too much for it.
"Lookout!" cried Jack. "She's going up!"
Then followed a sharp explosion, and the laboratory seemed filled with fragments of broken glass and torn books.
JACK MAKES OXYGEN
"There it goes! There it goes!" cried Mark, making a dive for the laboratory door, but slipping and sprawling on the floor. "There it goes, Jack!"
"No; it's gone already!" cried Jack, who, even in the midst of danger and excitement, seemed to remain calm and still to have his appreciation of it joke.
"Come on!" cried Mark as he scrambled to his feet. "We must get out of here, Jack!"
"What's the use now? It's all over."
There was a tinkling sound, as fragments of the broken test tube, the bell-jar and other things began falling about the room.
Mark was fumbling at the door of the laboratory, seeking to escape.
"Come on back," said Jack. "It's all over. There's no more danger. We'll try it again."
Just then one of the pile of books, that had been blown on an upper shelf, came down, landing on Mark's head.
"No danger?" cried Mark, trembling from excitement. "No danger? What do you call that?" and he pointed to the books at his feet, while he rubbed his head ruefully.
"Well, there aren't any more," observed Jack, with a look upward.
Just then the door opened, and an elderly gentleman, wearing spectacles, entered the laboratory. He seemed much excited.
"What happened? Is any one hurt? Was there an explosion here?" he asked.
Then he saw the devastation on all sides--the broken glass, the scattered and torn books--and he noticed Mark rubbing his head.
"There was--er--a slight explosion," replied Jack, a faint smile spreading over his face.
"Are you hurt?" the professor asked quickly, stepping over to Mark. "Shall I get a doctor?"
"A book hit him," explained Jack.
"A book! Did a book explode?"
"No, sir. You see, I was making a new kind of gas, and Mark was helping me. He was afraid the test tube would explode, so I piled books around it, and--"
"And it did blow up!" cried Mark, still rubbing his head. "The test tube, and the other tube, and the rubber hose, and the bell-jar. I told you it would, Jack."
"Then you weren't disappointed," retorted Jack, this time with a broad smile. "I don't like to disappoint people," he added.
"What kind of gas was it, Darrow?" asked Professor Lenton.
"Well, I hadn't exactly named it yet," answered the young inventor. "I was going to show it to you, and see what you thought of it. It's the kind you said I couldn't make."
"And did you make it?" asked the instructor grimly.
"Yes, sir--some."
"Where is it?"
"It's--er--well, you can smell it," replied Jack.
Sure enough, there was a strong, unpleasant odor in the laboratory, but that was usual in the college where all sorts of experiments were constantly going on.
"Hum--yes," admitted the professor. "I do perceive a new odor. But I'm glad neither of you was hurt, and the damage doesn't seem to be great."
"No, sir. It was my own apparatus I was using," explained Jack. "I'll be more careful next time. I'll not put in so much of the chemical."
"I don't believe there had better be a 'next time' right away," declared Mr. Lenton.
"The next attempt you make to invent a powerful gas, you had better generate it in something stronger than a glass test tube. Use an iron retort."
"Yes, sir," replied Jack.
"And now you had better report for your geometry lesson," went on the professor. "I need the laboratory now for a class in physics. Just tell the janitor to come here and sweep up the broken glass. I am very glad neither of you boys was seriously injured. You must be more careful next time."
"Oh, Mark was careful enough," said Jack. "It was all my fault. I didn't think the gas was quite so powerful."
"All right," answered the professor with a smile as Jack and Mark passed out on their way to another classroom.
The two lads, whom some of my readers have met before in the previous books of this series, were friends who had become acquainted under peculiar circumstances. They were orphans, and, after having had many trying experiences, each of them had left his cruel employers, and, unknown to each other previously, had met in a certain village, where they were obliged to beg for food. They decided to cast their lots together, and, boarding a freight train, started West.
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