As he came back to enter the car, he saw some one standing near it.
"Is that you, Ned?" he called. "Come, take a spin."
Hardly had he spoken than there sounded from the machine a whirr that told of the current being turned on.
"Don't do that!" cried Tom, knowing at once that it could not be Ned, who never meddled with the machinery.
A blinding flash and a loud report followed, and Tom saw some one leap from his car, and try to run away. But the figure stumbled, and, a moment later the young inventor was upon him, grappling with him.
"Here! Let me go!" cried a voice, and Tom uttered an exclamation of surprise.
"Andy Foger!" he cried. "I've caught you! You tried to damage my car!"
"Yes, and I'm hurt, too!" whined Andy. "My father will sue you for damages if I die."
"No danger of that; you're too mean," murmured Tom, as he maintained a tight grip on the bully.
"You let me go!" demanded Andy, squirming to get away.
"Wait until I see what damage you've done," retorted the young inventor. "The worst,
