CHAPTER XX
GRACE'S REVELATION
One clear afternoon the three Rover boys decided to take a run up to Hope Seminary in the Dartaway. There was very little wind and, although it was growing colder, they knew they could easily bundle up in their aviation coats and boots. Sam and Tom had been trying out the biplane, and they pronounced everything in perfect order for a flight.
"Dick, let me run the machine over," said Sam, and the big brother agreed, for Tom had been at the wheel on a previous occasion.
The boys had no classes to attend after lunch and so got away by two o'clock.
"I trust we can see the girls," said Dick, as they started up the engine of the flying machine.
"Oh, they'll be at liberty after hours," answered Tom. "They always are."
Previous to leaving, the boys had filled the oil
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