"Looks as if something was going on," said Joe, stopping the machine.
"Maybe some one is rivaling you in a high diving stunt," said Helen, half playfully.
They alighted and made their way into the throng.
"What's up?" asked Joe of a man.
"A diver is caught down in the outlet pipe," was the unexpected answer.
"A diver!" repeated Joe.
"Yes. A man in a diving suit went down to fix something that went wrong with one of the valves, and they can't get him up. He's been down several hours now and they're afraid he's dead!"
CHAPTER XXII
A DEEP DIVE
"What is it?" asked Helen, who had not understood what Joe's informant had said.