that the men should be here the very night you come back. Maybe they followed you."
"I hardly think so, for they didn't know I was coming."
"You can't tell what those fellows know," commented the engineer. "But, anyhow, I don't s'pose they could have gotten here from Sandport as soon as you did."
"Oh, yes they could, in their automobile," declared Tom. "But I don't believe they knew I was coming. They knew we were away, however, and thought it would be a good time to steal something, I guess. Are you sure nothing has been taken?"
"Perfectly sure, but you and I will take a look around the shop."
They made a hasty examination, but found nothing disturbed and no signs that any one had tried to break in.
"I think I'll telephone dad that everything is all right," decided Tom. "It is, as far as his inventions are concerned, and if I tell about seeing the men it will only worry him. I can explain that part better when I see him. But when I go back, Garret, you will have to be on your guard, since those men are in the neighborhood."
"I will, Tom. Don't worry."
Mr. Swift was soon informed by his son over
