"Jack Chadwick flung down the "alligator" wrench with which he had been going over every nut and bolt, and capered about the lofty, bare-raftered shed. Tom's round face beamed, mirroring the other's high good humor. "And the try-out's going to be a big success, Jack," he declared positively. "I can feel it in my bones, -like Jupe when his rheumatics are coming on. My! Jack, that pontoon idea was the biggest thing we've ever struck.""