In 1879, at a young age of 16, he left his home to travel to the near by city of Detroit to work as an apprentice for a machinist. He occasionally returned home to work on the farm. He remained an apprentice for three years and then returned to Dearborn. During the next few years, Henry divided his time between operating and repairing steam engines, finding occasional work in Detroit factories, and working on his fathers broken down farm equipment, as well as lending an unwilling hand with other farm work. Henry got married to Clara Bryant in 1888 Henry supported himself and his wife by running a sawmill (Collier, 145 - 152).

In 1891, Henry became an engineer with the Edison Illumination Company. This was an import

In early 1877, Edison started working with things other than telegraphy. He invented the carbon transmitter, which made the invention of the phone possible. He stumbled into the invention of the phonograph. The invention of the phonograph made him famous and he was in the spotlight for the first half of 1878, he was tired and worn out by the second half and took a vacation. And as soon as he got back, he started working on the incandescent light. The idea came from a visit to William Wallace's shop in Connecticut. The hardest part was said to be creating the arc for the electrons to travel through. The metal either was a bad conductor, or burned too fast to be useful. It had been done; In 1812, Sir Humphry Davy took a battery and two pieces of charcoal, connected them, and watched the glare of the flame; it just was completely impractical (Clark p. 89). So it was actually rather easy to make a light, but it was inefficient, and could only be used in large areas for it was an extremely strong light, around 4,000 candlepower. They were now working on some manner of having a more practical, ten to twenty candlepower light (Friedel p. 7). Much had been done to try to accomplish a practical light, and Edison knew that. He had many theories as to how to make a light that would "meet all requirements of natural, artificial, and commercial conditions." (Clark p. 90. Paul Jablochkov lit up a boulevard in Paris, but Edison wanted to create a light that could be used in homes and offices. He was trying to find a substitute for gas, which was the chief means of lighting at the time. Edison credited hard work for his success, and had experimented with 6000 different materials for the filament in his light bulb before finding one that worked. He used to say that "genius is one percent inspiration and 99 percent perspiration". Edison tried everything, until one night he was messing around with a thin strand of lampblack and tar, when he decided to connect it to the bulb. It lit up and glowed for a few minutes. He figured out how to take the air out of the bulb and the wire. He used carbonized thread to light it up, and after many failures it did, for nearly two months. After this, he became known as the " The Wizard of Menlo Park". (minot 7) He soon discovered that platinum was the best element for an electric light. He made a light that worked with the same principle as a fuse: as soon as the filament got hot enough to melt, the light would short itself out to let the wire cool. This worked and Edison quickly got a patent on it, but he soon returned to using carbon, this time with a much greater vacuum. And when he turned the current on, the first real electric light was turned on. This was such a great advance in technology that the papers had a full page, plus an additional column, devoted to this amazing discovery (Clark p. 98). Edison opened the laboratory to the public and the Pennsylvania Railroad ran special trains to Menlo Park. He hired people to help him make them, and he was now becoming a very rich man. Electric lights were growing in popularity so they needed someone to run them .5 electric companies "including Edison's" supplied New York with power.. Edison had to find a source of electricity. Edison changed the design of the generator and made it twice as efficient at using fuel . Edison provided most of Europe with electricity .

Ford realized his dream of producing an automobile that was reasonable priced, reliable and efficient with the introduction of the Model T in 1908. This

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Approximate Word count = 2385
Approximate Pages = 10 (250 words per page double spaced)