FILE - This undated file photo shows Thomas Edison's incandescent lamp, the first practical light bulb, which was developed in 1879. Edison used carbonized bamboo for the filament. General Electric’s Jeff Immelt is stepping down after 16 years as CEO of the iconic conglomerate, having succeeded in repositioning the company as a producer of large industrial products but failing to fully revive its lagging stock price. John Flannery, president and CEO of the GE’s health care unit, will take over as CEO in August, the company said Monday, June 12, 2017. GE traces its roots to 1878, when Edison formed the Edison Electric Light Co. in New York City after having opened his famous laboratory in Menlo Park, N.J. The next year, Edison invented the first successful incandescent electric lamp. (AP Photo/File)
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