“Fitz Mee, I wish I’d left you in the hands of the Portuguese.”

“No, you don’t.”

“I do!”

“Now, Bob!”

“Well, what did you say I spoiled the selector for?”

“I didn’t mean you did it on purpose, Bob.”

“Didn’t you?”

“No; I just meant you did it by accident. It’s a very delicate instrument, you know.”

“Oh!”