harm than good, spilling several gallons of the fluid.
"Oh, get away, and let us do it!" cried Tom at last. "I know what you"
"Easy!" cautioned Mr. Petrofsky, with a warning look, and Tom subsided.
Finally the tanks were full, the man was paid, and he started to drive away.
"Now to make a quick flight!" cried Tom, as he took his place in the pilot house, while Ned went to the engine room. "Full speed, Ned!"
"Yes, and we'll need it, too," said the Russian.
"Why?" asked Tom.
"Look!" was the answer, and Ivan Petrofsky pointed across the field over which, headed toward the airship, came the man who had sought a quarrel with Tom. And with the spy were several policemen in uniform, their short swords dangling at their sides.
"They're after us!" cried Mr. Damon. "Bless my chronometer they're after us!"
"Start the motor, Ned! Start the motor!" cried Tom, and a moment later the hum of machinery was heard, while the police and the spy broke into a run, shouting and waving their hands.
