"I guess it's all over," said Dick, as he and his chums looked down from the porch where they had taken refuge. "What happened, Mr. Kendall?"
"Everything," replied the inventor, in gloomy tones. "I see what th' matter was. Th' big wheel was too strong for th' rest of th' machine. Them balls give it too much power an' it jest naturally went to flinders. I see my mistake now. I'll build it all of iron next time. Wa'al, they say experience teaches us, an' this sure has been a great experience!"
"It sure has, Silas," remarked his wife. "You'd better give it up now, an' go back t' farmin'. That'll pay."
"No, sir," replied Silas, firmly. "I'm goin' t' make a perpetual motion machine before I die, an' don't ye forgit it. I see where I made a mistake an' I'll profit by it. I don't s'pose ye'll want t' invest any thin' in it until I make my new model?" he asked Dick.
"No, I think not," answered the millionaire's son.
"Wa'al, I'll call on ye agin when I git it rebuilt," promised Silas, as he piled the bits of his broken machine into the wagon and drove off.
"Say, Dick, what'll it be next?" asked Walter, as they watched the disappointed farmer driving away. "I never knew it was so exciting to be rich."
"Oh, it's exciting, all right," answered Dick, and he added: "I don't think that was a real perpetual motion machine. The springs made it work. But, come on, or it will be too late for our motor boat ride."
With a big basket, filled with good things to eat, which the cook obligingly put up for them, the four boys were soon at the dock where Dick's craft was moored.
"Let's go to Handell's Island," proposed Bricktop. "I heard there was a cave there that no one ever got to the end of."