Through a passageway Mr. Dunstan led them under the bridge deck. Curtained off from the passage was a wide berth.

“We generally call this the captain’s berth,” explained the owner.

“I guess my berth will be on one of the engine room lockers with Joe,” smiled Halstead.

The cabin proved to be spacious and handsome. The four locker seats could be fitted into berths when cruising. The cockpit aft was large and contained, besides side seats, half a dozen comfortable armchairs.

“Now suppose we go back to the engine,” desired Mr. Dunstan, turning about. “I’m anxious, indeed, to know whether you can locate the trouble that has tied this craft up here.”

Returning to the engine room, the boys opened their suit cases, taking out overalls and jumpers. Clad in these they were soon armed with wrenches and other tools, exploring the mysteries of that engine.

“This machine hasn’t had very good care,” spoke Joe after a while. “She’s fouled with dirt and thick oil at a good many points.”

“Has the motor been overheated?” asked the owner.

“I don’t believe so, sir; at least, not to any serious extent,” Joe stated as his opinion.

“Any repairs to parts going to be necessary?”