Sherlock Holmes: The Adventure of the Engineer's Thumb

The Adventure of the Engineer's Thumb, one of the 56 short Sherlock Holmes stories written by British author Sir Arthur Conan Doyle, is the ninth of the 12 stories collected in The Adventures of Sherlock Holmes. The story was first published in Strand Magazine in March 1892.

An engineer, Victor Hatherly, attends Dr. Watson's Surgery after his thumb is chopped off, and recounts his tale to Watson and Holmes. Hatherly had been hired for 50 guineas to repair a machine he was told compressed Ful...