Dave waved the contract in reply.
"I couldn't have a better feather in my cap than this," he cried gaily. "Many, many, thanks, Colonel Lyon."
"And you'll find the Interstate biplane just the best in the world," added Hiram.
"We've kept that chauffeur waiting a long time," observed Dave, as they came out upon the boulevard.
"Oh, he's used to that," suggested Hiram.
"I'll give him something extra for his patience," said Dave.
"Yes, the Interstate people can well afford it," commented Hiram.
"Think of it: a ten thousand dollar order! Hurrah!"
CHAPTER VI
ABOARD THE HYDROPLANE
"Dashaway, you're a wonder."