“Why not?”
Sally turned a knob on the radio. She snapped on a headset and said: “Hello, are you there?” Then she listened.
“How do you get me?” she spoke into the mouthpiece again. “Good as ever? That’s fine. This is Sally signing off.
“See!” She turned to Danny.
“Pete’s sake! What wave-length do you use?”
“I don’t know.”
“What?”
“Only one person in the world knows that. He’s the man who made it. My old friend C. K. All I know is, it’s very short. Watch!”
She snapped off the lights, then pulled down the shades. The radio’s tubes glowed red.
“Say! A radio with its own private wave length is worth a fortune! I know a man high up in Communications. Let me show it to him.”