Sceince Project

Born February 11,1884

Edison gets a job as a trainboy on the Grand Trunk Railroad, selling newspapers and candy. He sets up a chemistry lab and a printing press on the train.

Edison works as a telegraph operator in various cities of the Midwest, becoming a first-class press-wire operator and experimenting with telegraph instruments.

Edison retires as a telegraph operator to devote his time to invention. He patents several telegraph devices and moves to New York City, where he works for the Laws Gold Indicator Company.

Moved to Newark, New jersey;he opens a telegraph manufacturing shop where he also conducts his inventive work.

Edison devices several important improvements in stock ticker technology. On Christmas Day, he marries Mary still well, one of his employees.

Edison invents the carbon transmitter, a crucial improvement in telephone technology, and the phonograph, which he demonstrates at the offices of Scientific American on December 7.

Edison invents the carbon-filament lamp and a direct-current generator for incandescent electric lighting. A New Year's Eve demonstration of his system is held for the public at Menlo Park.

Mary (Stillwell) Edison dies.

Edison marries Mina Miller.