1、 Thomas Edison made more than 1,000 inventions in his life . Many of his inventions have changed the world . His first invention was a vote recorder (投票记录器) in 1869. This machine allowed people to place a vote by pressing a button instead of saying “Yes” or “No” . However，American government officia
2、ls did not like Edison s invention because they preferred to call out their votes. Then Edison started a company with his friend , Franklin Pope . Edison was busy from early morning until late night .As a result of hard work , he invented telegraph to print the price of gold and silver . He sold it
3、to Western Union Company for $ 15,000 .With some of the money Edison started his own company. Next he invented a stock ticker . This machine was used to record the price of stocks (股票)in New York . Western Union paid Edison $ 40,000 for this invention .Edison used this money to open a shop in Newark in the state of New Jersey . In 1875, Edison and his family moved to Menlo Park in the same states . There he built his own laboratory .
