The Boy Inventors' Flying Ship (Esprios Classics)

"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.""