A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 37 Page 11

Might hang us! Little he knew how closely he was crowding the facts. I couldn’t think up anything for the moment. Then an idea struck me, and I started it along:

“Send five hundred picked knights with Launcelot in the lead; and send them on the jump. Let them enter by the southwest gate, and look out for the man with a white cloth around his right arm.”

The answer was prompt:

“They shall start in half an hour.”

“All right, Clarence; now tell this lad here that I’m a friend of yours and a dead-head; and that he must be discreet and say nothing about this visit of mine.”

The instrument began to talk to the youth and I hurried away.