Andy was hiding he wouldn't show himself as plainly as he did."
The two chums argued on this question, but could come to no decision. Then, having reached Tom's home with the bolts, they went hard at work on the airship.
"Well, now to see what happens!" exclaimed Tom the next day, when everything was ready for a trial flight. "I wish Mr. Damon was here. I sent him word, but I didn't hear from him."
"Oh, he may show up any minute," replied Ned, as he helped Tom and Koku wheel the newiy-equipped airship out of the shed. "The first thing you'll hear will be him blessing something. Is this far enough out, Tom?"
"No, a little more, and then head her up into the wind. I say, Ned, if this is a success, and"
Tom stopped suddenly and looked out into the road. Then, in a low voice, he said, to Ned:
"Don't move suddenly, or he'll suspect that we're onto his game, but turn around slowly, and look behind that big sycamore tree in front of our house Ned. Tell me what you see."
"There's a man hiding there, Tom," reported his chum, a little later, after a cautious observation.
"I thought so. What's he doing?"
