A particular instance in The Hound Of The Baskervilles
"Have you any objection to my looking at your register?" said
Holmes.
"Not in the least."
The book showed that two names had been added after that of
Baskerville. One was Theophilus Johnson and family, of Newcastle;
the other Mrs. Oldmore and maid, of High Lodge, Alton.
"Surely that must be the same Johnson whom I used to know," said
Holmes to the porter. "A lawyer, is he not, gray-headed, and
walks with a limp?"
"No, sir; this is Mr. Johnson, the coal-owner, a very active
gentleman, not older than yourself."
"Surely you are mistaken about his trade?"
"No, sir! he has used this...