“Thank you,” said Mr. Glassford as he passed inside, followed by the boys.

The most of the tent was occupied by a dirigible balloon, of a type that was somewhat common. The boys looked at it as they passed along, but they were too anxious to see Masterly to pay much attention to the airship.

The Motor Boys in the Clouds — Part 84

As they advanced over the grass, which covered the ground on which the tent was erected, their footsteps making no sound, they heard talking in the rear of the big canvas shelter.

The Motor Boys in the Clouds — Part 84

“I’ll give you two hundred dollars to leave town,” a voice was saying. “Two hundred dollars, merely for keeping quiet.”

The Motor Boys in the Clouds — Part 84

The voice startled Jerry and his chums. They had heard it before many times. Jerry raised his hand to indicate caution, and Mr. Glassford, Ned and Bob came to a halt. They were concealed from view by the big gas bag, but they could hear plainly.

“I’m not going to do it,” they heard a voice answering the one that had spoken first. “I’m here, and I’m going to stay here. I haven’t seen Mr. Glassford, but if he wants me to----”

“Hush!” exclaimed the other. “Not so loud.”

“That’s Masterly--the one who spoke before,” said Mr. Glassford in a whisper.

“And the other is Noddy Nixon,” said Jerry. “Let’s see what he’s up to.”

“You can’t earn two hundred dollars any easier,” went on Noddy. “All you have to do is to keep still. I’m paying you for your silence. That’s easy. When the case comes up just skip out of town, and Mr. Hoswell will be able to prove that the plans are his. That’s easy. Two hundred dollars just for not saying that the plans are Glassford’s.”

“But the plans are Mr. Glassford’s!” exclaimed Masterly. “I saw him draw them. I helped make them. That Hoswell is a faker. He is no good.”

“That’s good evidence,” whispered the lawyer to his clients. “We have caught him in the very act of bribing a witness. That’s a serious offense.”

“Then you won’t take my offer?” asked Noddy.

“No, I’ll not. Those plans are Mr. Glassford’s. I haven’t seen him in some years, and I don’t know where he is now, but if he wants my evidence he can have it. I don’t play any mean tricks like that--not for two hundred dollars.”

“I’ll make it three hundred!” said Noddy eagerly.

“No, not for three thousand! Now you clear out of here. I want to do my work. If Mr. Glassford was here I’d inform him of what you are trying to do.”