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Edison State Park
The Edison State Park is located in the Menlo Park section of Edison, New Jersey. It covers a total area of 37 acres. The park commemorates the site where the famous inventor Thomas Alva Edison had his Menlo Park laboratory. In his laboratory, Edison invented over 600 inventions such as the incandescent electric light and the phonograph, the latter being the first object to record and play sound.
==History==
The research and development laboratory in Menlo Park was the first of its kind in the world. On October 22, 1879, Thomas Edison tested a bamboo filament which lasted over 30 hours. This was the world's first successful light bulb. It was made after Thomas Edison tested over a thousand filaments in six months. 3 years earlier, Thomas Edison tested his wax and tinfoil phonograph by recording and playing "Mary Had a Little Lamb." Thomas Edison improved Alexander Graham Bell's telephone using carbon. In addition, he invented an electric train and tested it on a track built around his laboratory. In 1887, when Thomas Edison needed a bigger laboratory closer to New York City, he moved his research laboratory to West Orange, New Jersey. Most of the buildings either burned down or collapsed, and the 2 surviving buildings, the glass shed and the Sarah Jordan Boarding House were moved by Henry Ford in 1929 to Greenfield Village in Dearborn, Michigan. The remaining structures from the other buildings was used by Henry Ford to rebuild them in Greenfield Village, where you can still see the buildings today. At this historic site a memorial was built. On February 11, 1938, a 131 feet tall Art Deco tower was dedicated in honor of the Wizard of Menlo Park.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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