As he was led through the open panel, with Larry and Billy Bungey on each side of him, one of them slid it into place behind. For a second they were in impenetrable blackness. Then someone switched on an electric torch and Labar gathered that he was in a narrow tunnel which widened as they advanced. They had gone a hundred yards or so when they were halted. Labar turned to see a steel door slide across the tunnel.

“A little modern addition of my own to an old smugglers tunnel,” said Larry. “Nothing short of dynamite will shift that.”

“I half-suspected that you would have a bolthole,” said Labar with the indifferent air of one making conversation. “This is where you stowed your stuff, I suppose. Where does it lead to?”

“Shut up,” ordered Larry. “You can talk when I ask you to. Let’s get along.”