“Tut, tut!” Holmes answered. “You are perfectly right. Let it play! These modern gramophones are a remarkable invention.”

There was an inrush of police, the handcuffs clicked and the criminals were led to the waiting cab. Watson lingered with Holmes, congratulating him upon this fresh leaf added to his laurels. Once more their conversation was interrupted by the imperturbable Billy with his card-tray.

“Lord Cantlemere sir.”

“Show him up, Billy. This is the eminent peer who represents the very highest interests,” said Holmes. “He is an excellent and loyal person, but rather of the old regime. Shall we make him unbend? Dare we venture upon a slight liberty? He knows, we may conjecture, nothing of what has occurred.”