“By-products,” said Dr. Crandon, “seem to be a feature of modern industry.”
“It is high time,” said Mr. Prescott, “that waste should receive attention.”
“Before we leave this giant I must tell you that he already has a dangerous rival—listen, Billy, for it’s almost a David and Goliath story—in a little electric smelter. Some of them can be moved about like a portable sawmill.
“Up in Sweden, where the ores are among the purest in the world, they use electric smelters and make steel direct from the ore.”
“Any more giants?” asked Billy.
“You’ll think so,” answered Mr. Prescott, “before I am through with them; but we’ve seen enough for to-day. Next time I’ll show you giants that have done something more than to make iron, for they have really reduced the size of the world.”
“Whew!” exclaimed Dr. Crandon.
“Before that,” said Mr. Prescott, “I am going to introduce you to some pygmies.”
