“And upon certain natures——”

“Such a course has a bad effect,” interrupted Dave. “Encouragement does wonders; tell a chap he’s doing well, and it often spurs him on to greater efforts.”

“A little boost puts him on top of the fence,” grinned Dick.

“Now, as Mr. Beaumont was good enough to think we could liven up Willie Sloan, it’s about time that something was done.”

“There’s a lot in a boy finding out what occupation he likes best,” said Bob, thoughtfully.

Dave nodded.

“Willie certainly doesn’t seem to take any interest in business, art or literature,” he remarked, “but when he gets around machinery I’ve often noticed a change in him—a great change.”

“So have I,” said Bob.

“Let us try to find out if the lad has a mechanical turn of mind.”

“Goodness! You talk like two real old school-teachers,” grinned Dick.