“Hello there, kindergarten,” was the next greeting from the revived radio banterer. “How far away are you from me?”

“How should I know?” flashed back the young amateur. “But I can make a better guess than you can.”

“I bet you a spark gap you can’t.”

“That’s just like you—always dealing in nothing,” retorted Walter. “I bet you a vacuum cleaner I can.”

“It’s a go, Smarty.”

“All right, Empty,” agreed Walter. “How far apart are we?”

“Three miles.”

“I say ten. Where are you?”

“Two miles off Rookery Point.”

“I win. You’re twelve miles from me. I’m near Ferncliffe. You owe me an empty glass.”