Further tests confirmed this opinion, and preparations were made to install the motor in the airship.
It was while this was being done that a servant brought Dick a message.
"Someone has called to see you," said the man.
"Who is it?"
"He says his name is Lieutenant Larson, formerly of the United States Army, and he has important information for you."
"Larson!" exclaimed Dick in surprise. "I wonder what he wants of me?"
"Will you see him?" asked Paul.
"I suppose I had better," said Dick, slowly. "I wonder what he wants?"