Appendix A. AN EDISON CHRONOLOGY

1847

February 11: Thomas Alva Edison is born in Milan, Ohio.

1859-1860

Winter: Young Tom Edison goes to work as a "news butcher," selling newspapers, magazines, dime novels, candy, and other sundries on the trains of the Grand Trunk Western Railway between Port Huron and Detroit.

1862

Spring: Edison writes, edits, publishes, and sells The Weekly Herald aboard a Grand Trunk train.

Fall: Edison apprentices to telegrapher James Mackenzie, station agent at Mount Clemens, Michigan.

1864-1865

Fall–winter: While working as a telegrapher for Western Union in Indianapolis, Indiana, Edison commences research to improve telegraph repeaters and embarks on design work for telegraphy devices that would enable the simultaneous ...

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