The eyes of Sandy Thomas needed only jet propulsion to become flying saucers.

"Isn't he wonderful, Mr. Mallory?" she gasped.

But her enthusiasm wasn't contagious. I glowered at Pending coldly.

"Oh, come now, Pat!" I scoffed. "You can't really believe that yourself. After all, there are such things as basic principles. Weight is not a variable factor. And so far as I know, Congress hasn't repealed the Law of Gravity."

Pat sighed regretfully.

"You're always so hard to convince, Mr. Mallory," he complained. "But—oh, well! Take this."

He handed me the baton. I stared at it curiously. It looked rather like a British swagger stick: slim, dainty, well balanced. But the ornamental gadget at its top was not commonplace. It seemed to be a knob or a dial of some kind, divided into segments scored with vernier markings. I gazed at Pending askance.

"Well, Pat? What now?"

"How much do you weigh, Mr. Mallory?"

"One sixty-five," I answered.