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TOM SWIFT AND HIS MOTOR-BOAT
the engine the better to watch the balloon. "I'd like to go up in an airship, and I intend to some day."
"I believe he's going to jump!" suddenly exclaimed Ned after a few minutes. "He's going to do something, anyhow."
"Probably come down in a parachute," said Tom. "They generally do that."
"No! no!" cried Ned. "He isn't going to jump. Something has happened! The balloon is on fire! He'll be burned to death!"
Horror stricken, they all gazed aloft. From the mouth of the balloon there shot a tongue of fire, and it was followed by a cloud of black smoke. The big bag was getting smaller and seemed to be descending, while the man on the trapeze was hanging downward by his hands to get as far as possible away from the terrible heat.
