mine works well—and I'm sure it will—I may build a quadruplane!"
"I wish you luck," spoke Tom, with a shrug of his shoulders.
"Well, you won't have any luck if you come around here any more," went on Pete Bailey. "We'll be on the watch for you fellows, now, and we'll cover this window, so you can't see in."
"That's what we will," agreed Andy, and Sam Snedecker shook his head vigorously to indicate that he, too, approved of this.
"Come on," spoke Tom in a low tone to Ned. "I've seen enough."
The two chums moved toward Ned's house, followed by the jeers and mocking laughter of Andy and his cronies.
"Can't you get back at them in some way?" asked Ned, for he did not like to see himself or his friend apparently vanquished by the bully.
"He laughs best who laughs last, Ned."
"What do you mean?"
"I mean that when Andy tries to fly in his triplane it will be our turn to laugh.
"Won't it fly?"
"Never, the way he has it rigged up. It didn't take but one look to tell me that. He's working on altogether the wrong principle. Wait until
