that. I've named it, you see. I'm going back to Lanton this afternoon, take some tools along, and repair it so I can run the boat over to here. Then I'll get at it and fix it up. I've got a plan for you, dad."
"What is it?" asked the inventor, his rather tired face lighting up with interest.
"I'm going to take you on a vacation trip."
"A vacation trip?"
"Yes, you need a rest. You've been working too hard over that gyroscope invention."
"Yes, Tom, I think I have," admitted Mr. Swift. "But I am very much interested in it, and I think I can get it to work. If I do it will make a great difference in the control of aeroplanes. It will make them more stable and able to fly in almost any wind. But I certainly have puzzled my brains over some features of it. However, I don't quite see what you mean."
"You need a rest, dad," said Mr. Swift's son kindly. "I want you to forget all about patents, inventions, machinery and even the gyroscope for a week or two. When I get my motor-boat in shape I'm going to take you and Ned Newton up the lake for a cruise. We can camp out, or, if we had to, we could sleep in the boat. I'm going to put a canopy on it and arrange some bunks. It
