TAM O' THE SCOOTS
They crowded out with whatever glasses they could lay their hands upon and watched the two tiny machines that circled and dipped, climbed and banked about one another.
First one would dart away with the other in pursuit, then the chaser, as though despairing of overtaking his quarry, would turn back. The "hare" would then turn and chase the other.
"Have you ever seen two puppies at play?" asked Blackie. "Look at Tam chasing his tail—and neither man knows the other or has ever looked upon his face! Isn't it weird? That's von Hansen-Bassermann's ninth sense. They can't speak—they can't even see one another properly and yet they're good pals—look at 'em. I've watched the puppies of the pack go on in exactly the same way."
"What is Tam supposed to be doing?"
"He's watching the spotters. Tam will be down presently and we'll ask David how
36
