The Adventure of the Engineer's Thumb

"The Adventure of the Engineer's Thumb" is a Sherlock Holmes story featuring a young hydraulic engineer, Victor Hatherley, who encounters a mysterious and potentially dangerous situation involving a strange hydraulic press. As Hatherley recounts his strange experience to Dr. Watson and Sherlock Holmes, the story unfolds around a clandestine job and the unusual events that follow. First published in 1892, this tale is one of the many intriguing short stories that showcase Holmes’s detective skills and Conan Doyle’s storytelling craftsmanship.