"On the contrary," said Holmes, quietly, "I have every reason to believe that I will succeed in discovering Mr. Hosmer Angel."

Mr. Windibank gave a violent start, and dropped his gloves. "I am delighted to hear it," he said.

"It is a curious thing," remarked Holmes, "that a typewriter has really quite as much individuality as a man's handwriting. Unless they are quite new no two of them write exactly alike. Some letters get more worn than others, and some wear only on one side. Now, you remark in this note of yours, Mr. Windibank, that in every case there is some little slurring over the e, and a slight defect in the tail of the r. There are fourteen other characteristics, but those are the more obvious."