"And the fan is powered—"
"... By the machine itself, naturally," said Bending. "It's a self-contained unit. Of course, with a really big unit, you might have to hire someone to hang out their laundry somewhere in the neighborhood, but only in case of emergencies."
"May I sit down?" asked Olcott. And, without waiting for Sam Bending's permission, he grabbed a nearby chair and sat. "Mr. Bending," he said, "what is the cost of one of those units?"
"Well, that one cost several hundred thousand dollars. But the thing could be mass produced for ... oh, around fifteen hundred dollars. Maybe less."
Olcott absorbed that, blinked, and said: "Is it dangerous? I mean, could it explode, or does it give out radiation?"
"Well, you have to treat it with respect, of course," Bending said. He rubbed his big hands together in an unconscious gesture of triumph. "Just like any power source. But it won't explode; that I can guarantee. And there's no danger from radiation. All the power comes out as electric current."
Sam Bending remained silent while Olcott stared at the little black box. Finally, Olcott put his hands to his face and rubbed his eyes, as though he'd been too long without sleep. When he removed his hands, his eyes were focused on Bending.
"You realize," he said, "that we can't give you any sort of contract until this has been thoroughly checked by our own engineers and research men?"
"Obviously," said Sam Bending. "But—"