'Yes, but I don't see what he could want in this compartment, do you, dad?"
The inventor got into the boat and looked carefully into the rather dark space where the tank fitted. He went over every inch of it, and, pointing to one of the thick wooden blocks that supported the tank, asked:
"Did you bore that hole in there, Tom?"
"No, it was there before I touched the braces. But it isn't a hole, or, rather, some one bored it and stopped it up again. It doesn't weaken the brace any."
"No, I suppose not. I was just wondering whether that was one of the new blocks or an old one."
"Oh, an old one. I'm going to paint them, too, so in case the water leaks in or the gasoline leaks out the wood won't be affected. A gasoline tank should vibrate as little as possible, if you don't want it to leak. I guess I'll paint the whole interior of this compartment white, then I can see away into the far corners of it."
"I think that's a good idea," commented Mr. Swift.
It was four days after his purchase of the boat 'before Tom was ready to make a long trip in it. Up to that time he had gone on short spins not far from the dock, in order to test the engine adjust-
