collecting fine iron ore from sand and dirt by magnets; increasing the
power and the lightness of the storage battery. And there are the
trolleys and electric railways that have been made possible. And the
incandescent electric lamp--how about that? Edison has turned his
wonderful genius only to those things that benefit millions of--"

"And he deserved to make millions out of it," said Ted.

"I guess he has, too," offered one of the girls.

"You bet, and that's what he works for: not just to benefit people,"
asserted Terry.

"I suppose your dad and most other guys got their dough all by accident
while they were trying to help other folks; eh?" Bill fired at Terry.

But the rich boy walked away, his usual method to keep from getting the
worst of an argument.

"Oh, I wish Grace Hooper were here," Cora said. "She's no snob like
Terry and wouldn't she enjoy this?"

"And her dad, too. Isn't he a nice old fellow, even though he's awfully
rich?" laughed Dot.

"He'd have his say about this argument, grammar or no grammar. He thinks
a lot of this chap he calls Eddy's son," Mary Dean declared.

"Great snakes! Does he really think the wizard is the child of some guy
named Eddy?" Ted queried.