He was pressed closely now. His breath came in short gasps.

“Stop,” commanded Isaac Coffran.

“Now is your chance to talk,” he said to Harry. “Will you talk?”

“No.”

“Resume,” said Isaac Coffran, addressing Birdie Crull.

CHAPTER XXX

THE FIFTH MAN

Time seemed endless to Harry Vincent as the torture continued. Birdie Crull was working slowly. The pressure seemed to increase by infinitesimal degrees. But now it had reached a point where it would soon be unbearable.

Isaac Coffran held up a halting hand.

“No more pressure, Birdie,” he said. “Turn the knob at the center. That will advance the spikes alone.”