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Granville T. Woods was born into freedom in Columbus, Ohio. As a child Woods' recieved little schooling. In his teen years, Woods' worked a variety of jobs.
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In 1881, Granville T. Woods settled in Cincinnati, Ohio where he started his own business that developed, manufactured and sold electrical appartus.
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Woods and his brother Lyates opened the Woods Railway Telegraph Company. Some of their ealiest inventions included, an improved steam boiler furnace and an improved telphone transmitter.
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patented a apparatus which was a combination of a telephone and a telegraph. The device, which he called "telegraphony," would allow a telegraph station to send voice and telegraph messages over a single wire. The device was so successful that he later sold it to the American Bell Telephone Company.
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Woods created his most important invention to date which was a device he called Synchronous Multiplex Railway Telegraph.This invention was a variation of the "induction telegraph," however it allowed for messages to be sent from moving trains and railway stations.
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Woods used his knowledge of electrical systems in creating a method of supplying electricity to a train without any exposed wires or secondary batteries. Approximately every 12 feet, electricity would be passed to the train as it passed over an iron block.
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Throughout his life, Woods has obtained over 50 patents for inventions that include; an automatic brake and an egg incubator and for improvements to other inventions such as safety circuits, telegraph, telephone, and phonograph.
