How did Thomas Edison first learn to use a telegraph machine?

Thomas Edison first learned to use a telegraph machine while working as a newsboy on the Grand Trunk Railway. He became fascinated with the telegraph and taught himself the skill by observing and practicing with the equipment used by telegraph operators. His interest was further sparked when he was hired as a telegraph operator, where he honed his abilities and developed a deep understanding of the technology. This experience laid the foundation for his later inventions in communication and electrical engineering.