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Probably his most impressive invention, the phonograph, was patented in 1877. By 1890 Edison had about 80 patents under His name, and That WAS Pretty much the Reason The Victor Company CAME into being. To Explore incandescence, Edison and His Fellows, Among Them JP Morgan, developed the Edison Electric Light Company in 1878. Years later, the company became the General Electric Company. Edison invented the first practical incandescent lamp in 1879. With months of hard work researching metal filaments, Edison and his staff analyzed 6,000 organic fibers around the world and determined that the Japanese bamboo was ideal for mass production. Production of large scale These lamps Cheap Turned out to be Profitable, hence the first Fluorescent lamp WAS Patented in 1896. Edison Made an amazing discovery in pure Science, termed as the Edison Effect. He discovered in 1883 that electrons flowed from incandescent filaments. The lamp could function as a valve using a metal-plate insert, while taking only negative electricity. A method to transmit telegraphic "aerial" signals over short distances was patented by Edison in 1885. The "wireless" patent was later sold to Guglielmo Marconi.
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