The Germans knew this and they thought they had made it useless." "Oh, that's great!" said Fred.

"Perhaps I can help, too, because I can send by wireless.

I don't know whether I would be much good with the Continental code, because I've learned only with Morse.

But I might be of some use." "Another operator will be of the greatest use," said Boris.

"I know a little, a very little, about it.