At age 12 he was working as a child went out of the train. Complimentary fruit and Edison's deafness due to being hit on the ear guard rail, one swipe. When he made a chemical spill into the fire in a storage room.And perform science experiments
The Edison became the hearing. Accident that caused the fire. Made Edison was fired and unemployed. Stationmaster impressed by the intelligence and cunning of him. It was taught telegraphy to. So when he wasYear to work as a telegraph operator. He has invented and placing telegraph messenger in the year.Since the 1869 at age 21 and had his first patented invention. Edison had patented his invention, at more than 1,200.