Then, with a start, he realized what it was—the burglar alarm.
"Some one's in the shed!" he gasped.
Out of bed he leaped, drawing on his trousers and coat, and putting on a pair of slippers, with speed worthy of a fireman. He grabbed up a revolver and rushed from his room, pounding on the door of Mr. Jackson's apartment in passing.
"Some one in the shed, after the Humming-Bird!" shouted Tom. "Get a gun, and come down!"
Chapter Eleven
Tom Is Hurt
As Tom passed down the hall on his way to the side door, from which he could more quickly reach the aeroplane shed, he saw his father coming from his room.
"What's the matter? What is it?" asked Mr. Swift, and alarm showed on his pale face.
"It's nothing much, dad," said the youth, as quietly as he could, for he realized that to excite his father might have a bad effect on the invalid.