CHAPTER XV
PURSUED
Slowly the airship arose, almost too slowly to suit those on board who anxiously watched the oncoming officers. The latter had drawn their short swords, and at the sight of them Mr. Damon cried out:
"Bless my football! If they jab them into the gas bag, Tom, we're done for!"
"They won't get the chance," answered the young inventor, and he spoke truly, for a moment later, as the big propellers took hold of the air, the Falcon went up with a rush, and was far beyond the reach of the men. In a rage the spy shook his fist at the fast receding craft, and one of the policemen drew his revolver.
"They're going to fire!" cried Ned.
"They can't do much damage," answered Tom coolly. "A bullet hole in the bag is easily repaired, and anywhere else it won't amount to anything."
The officer was aiming his revolver at the air-
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