stopped. The big propellers ceased revolving, and the aviator could leave his perch in safety.
This he did, edging along until he could climb down and meet Tom, who stood near the ladder.
"Much obliged," said the birdman, as he shook hands with Tom. "My name is Grant Halling. I'm a newcomer in Mansburg," he added, naming a town not far from Shopton. "I know you by reputation, so you don't need to introduce yourself."
"Glad to meet you," said the young inventor, cordially. "Rather a queer place to meet a friend," he went on with a laugh and a glance down to the ground. "Can you climb?"
"Oh, yes, I'm used to that. The next thing will be to get my machine down."
"Oh, we can manage that with Koku's help," spoke Tom. "Koku, get some ropes, and see what you and Rad can do toward getting the aeroplane down," he added to the giant. "Let me know if you need any help."
"Me can do!" exclaimed the big man. "Me fix him!"
Tom and Mr. Halling made their way down the ladder, while the giant proceeded to study out a plan for getting the airship off the roof.
"You say you were coming over to see me, when you ran into my wirless aerials?" asked
