car, in which, on one occasion, he had made a great run against time. He was soon at home.
"Well, dad, I've got the money safely put away," he remarked to an aged gentleman who sat in the library reading a book. "Now we won't have to worry about thieves until we get some more cash in."
"Well, I'm glad it's coming in so plentifully," said Mr. Swift with a smile. "Since my illness I haven't been able to do much, Tom, and it all depends on you, now."
"Don't let that worry you, dad. You'll soon be as busy as ever," for, following a serious operation for an ailment of the heart, Mr. Swift, who was a veteran inventor, had not been able to do much. But the devices of his son, especially a speedy monoplane, which Tom invented, and sold to the United States Government, were now bringing them in a large income. In fact, with royalties from his inventions and some gold and diamonds which he had secured on two perilous trips, Tom Swift was quite wealthy.
"I'll never be as busy as I once was," went on Mr. Swift, a little regretfully, "but I don't know that I care as long as you continue to turn out new machines, Tom. By the way, how is the electric rifle coming on? I haven't heard you speak of it lately."
