all. You'd be surprised perhaps if I told you that this set here was
built by me and I wouldn't exchange the experience I've had in putting
it together for a good deal of money."

"But you knew how to do it," put in Joe, "while we don't know the
first thing about it. We wouldn't know how to start, even, let alone
finish one."

"I was coming to that," returned Dr. Dale, smiling. "As some of you
know, I've fitted up a workshop in the barn behind this house where
I do a good deal of tinkering in my spare hours. Now I'm going to ask
you boys to come out there next Saturday and see me build a wireless
receiving set from A to Z. You'll be surprised to see how much can be
done with a few things that cost very little money and with a lot of
things that don't cost any money at all. How about it, boys?"

It was almost with a whoop that the invitation was accepted by his
eager hearers, and the minister smiled with gratification at their
enthusiasm.

"Now that's all the talking I'm going to do tonight," he said. "And
as talking's rather dry work, I'm going to have a little refreshment.
Will you boys join me?"

Would they join him? They would and they did, and the havoc they
wrought on the sandwiches and cake and ice-cream that were brought in
and passed around was something to be remembered. Jimmy in particular
ate until his eyes bulged and fully sustained his previous reputation.
And while they ate, the doctor turned on one lively selection after
another, finishing with a selection from a jazz band that sent them