1855, start school. In just three months, he was expelled from school by his teacher as an "imbecile".
During the period from 1864 to 1867, Edison worked as a telegraph operator in the United States and lived an insecure vagrant life. During this period, Edison changed ten workplaces, was fired five times, and resigned five times by himself.
1at the end of 868, Edison came to Boston as a telegraph operator. In the same year, he obtained the first invention patent, which is a device for automatically recording votes, namely "voting counter".
1869 10 Edison and Franklin pope jointly founded the "pop-Edison" company, which specializes in scientific instruments for electrical engineering and invented the ordinary printing machine.
1877, Edison improved the early telephone invented by alexander bell and put it into practical use, and soon established a telephone company.
1878 In September, Edison began to study electric light, but because of Edison's economic problems, he had to seek financial support, so he set up a joint-stock company to provide financial support for the experiment. Soon, Lore found several shareholders who were willing to pay for Edison's electric light research.
1879 65438+1October 2 1, the electric lamp was successfully developed. He tried nearly 1600 materials for this purpose, and the filament of this electric lamp was burnt out after 45 hours of continuous use.
188 1 year, at the Paris World Expo, Edison exhibited a 27-ton power generation equipment, which could be illuminated by 1200 electric lights.
Extended data
1, the phonograph was born in 1877. The man who invented the phonograph in the world is Thomas Alva Edison, a world-famous inventor. According to the phenomenon that the diaphragm in the telephone transmitter vibrates with the sound, Thomas Alva Edison made an experiment with a short needle, from which he got great inspiration. Speech speed can make the short needle vibrate accordingly.
2, 1889, American Edison invented the camera. This camera is driven by a pointed roller 19mm wide non-porous adhesive tape. Under the control of a ratchet wheel, it drives the adhesive tape to move intermittently and punch holes at the same time.
This camera is driven by a motor, the shutter shaft is linked with the phonograph, and the phonograph records the sound when the camera is running. On this basis, the mobile camera was invented.
Edison's marriage;
(1)187 1 65438+On February 25th, 24-year-old Edison and16-year-old Mary Stilwell got married, and they had only known each other for two months.
(2) 1873, my daughter marion estelle Edison was born.
(3) 1876 gave birth to a son, named "Thomas Alva Edison" like Edison, but people prefer to call him "Little Thomas Alva Edison".
(4)1878101On October 26th, my son William Leslie Edison was born.
⑤1In the summer of 884, Mary Stilwell suffered from typhoid fever. At first, she thought it was just a little cold, so she should take some medicine. So Edison, who worked hard in new york, didn't go to see her. Mary's sister Alice and the doctors try their best to take care of her every day and stay by the bed.
Soon, Mary's condition deteriorated and Mary's hope of recovery was dashed. 1In the early morning of August 9, 884, Mary Stilwell died of a brain tumor.
People's Network-10211879-American scientist Edison invented the electric light.