I stood upon the hearth-rug and picked up the stick which our visitor had left behind him the night before.
“Well, Watson, what do you make of it?”
Holmes was sitting with his back to me, and I had given him no sign of my occupation.
“How did you know what I was doing? I believe you have eyes in the back of your head.”
“I have, at least, a well-polished, silver-plated coffee-pot in front of me,” said he.
“The Hound of the Baskervilles”, The Greatest Adventures of Sherlock Holmes, 1902