"That's easy guessing," sneered Harris.
"What is it?"
"I will soon show you," said Mazarin, with a cold little laugh. "But you must keep him still, Harris."
"If he utters a chirp, I'll slit his windpipe," promised the young ruffian.
Mazarin lighted a lamp, which he placed on a small table. Then he took a heavy hammer, and before Frank's eyes he smashed at a single blow a box that served to enable Merry to do one of his most difficult and interesting feats.
"Now," said the malicious little man, "you know what I am going to do. I am here to destroy every bit of the apparatus you received from Zolverein. I can do it in twenty minutes."
CHAPTER XI. DEADLY PERIL.
Frank squirmed, and Harris laughed.
"That hits you hard," said the fellow. "We'll soon put you out of business as a professional magician."