platinum, which to-day is a more valuable metal than gold. Tom needed some platinum for his electrical machines, and it proved very useful.
He had been back from Russia all winter and, now that Spring had come again, our hero sighed for more activity, and fresh adventures. And with the advent of Mr. Damon, and his mysterious talk about giants, Tom seemed likely to be gratified.
The two chums and the odd gentleman continued on to the house, no one speaking, until finally, when they were seated in the library, Mr. Damon said:
"Well, Tom, are you ready to listen to me now, and have me explain what I meant when I asked you to get a giant?"
"I—I suppose so," hesitated the young inventor. "But hadn't I better call dad? And are you sure you don't want to lie down and collect your thoughts? A nice hot cup of tea"
"There, there, Tom Swift; If you tell me to lie down again, or propose any more tea I'll use you as a punching bag, bless my boxing gloves if I don't!" cried Mr. Damon and he laughed heartily. "I know what you think, Tom, and you, too, Ned," he went on, still chuckling. "You think I don't know what I'm saying, but I'll soon prove that I do. I'm fully in my senses,
