"I presume we'll have to build regular hangars here,--if the students are going to own flying machines," he added, with a smile.
"Well, they are good advertisements, Doctor," put in Tom.

"Nothing like being up-to-date, you know." "Perhaps, Rover, perhaps.

And it will be instructive to all here, to watch you and your brothers manipulate the biplane.

But do not let the use of the machine interfere with your studies." "Oh, we'll use it like we would our bicycles, or a motor boat, or an auto," said Sam.

"We came back to make a record for ourselves." "I am glad to hear it, Samuel, very glad indeed." And then the good doctor hurried away to attend to his official duties.
Some of the late arrivals wanted the Rover boys to give another exhibition flight, and for their benefit Tom took a little sail by himself, and then Sam went up for five minutes.