Well, we'll get celebrated if we keep on, Tom," he added with a smile.
Tom and Ned spent the rest of the day working over the motor, which was set going, and bore out all Tom claimed for it. It was as silent as a watch.
"Next I want to get it in the airship, and give it a good test," Tom remarked, speeding it up, as it was connected on a heavy base in the shop.
"I'll help you," promised Ned, and for the next few days the chums were kept busy fitting the silent motor into one of Tom's several airships.
"Well, I think we can make a flight to-morrow," said the young inventor, about a week later. "I need some new bolts though, Ned. Let's take a walk into town and get them. Oh, by the way, have you seen anything more of Andy Foger?"
"No, and I don't want to. I suppose he's gone back home after his visit to Sam. Let's go down the street, where the Foger house is, and see if there's anything going on."
As the two lads passed the mansion, they saw a man, in the kind of suit usually worn by a carpenter, come out of the back door, and stand looking across the garden. In his hand he held a saw.
