CHAPTER II
A DARING PROJECT
While Tom and his chum are in the house of the Russian, who so strangely produced the platinum just when it was most needed, I am going to take just a little time to tell you something about the hero of this story. Those who have read the previous books of this series need no introduction to him, but in justice to my new readers I must make a little explanation.
Tom Swift was an inventor, as was his father before him. But Mr. Swift was getting too old, now, to do much, though he had a pet invention—that of a gyroscope—on which he worked from time to time. Tom lived with his father in the village of Shopton, in New York state. His mother was dead, but a housekeeper, named Mrs. Baggert, looked after the wants of the inventors, young and old.
The first book of the series was called "Tom Swift and His Motor-Cycle," and in that I related how Tom bought the machine from a Mr.