The manufacturer went on:

“I consider it practicable, and am disposed to make you an offer for it. Are you authorized to conclude terms?”

“My mother will agree to anything I propose, sir.”

“Then this is my offer. The model must be patented at once. I will see to that. Then make over to me half the invention, and I will agree to pay you and your mother one thousand dollars a year for the next ten years.”

“Are you in earnest?” gasped Herbert.

“Entirely so,” said Mr. Cameron. “Will that satisfy you?”

“I would have accepted a quarter of the sum you offer, sir.”

“Better not tell me that,” said Mr. Cameron, smiling. “I might take advantage of it. Will you consider it a bargain, then?”

“Oh, how happy my mother will be!” said Herbert.

“Don't you want to go home, and carry the news?”