October 1, 1880 – First electric lamp factory was opened by Thomas Edison

Thomas Edison wanted to produce a long-lasting electric bulb. He started by studying the entire history of lighting. Edison filled 200 notebooks with his notes on gas illumination alone. Edison worked thousands of hours, experimenting with 1,200 different varieties of bamboo before finding the ideal one for the filament in 1879. What STEM occupations did Edison include at his plant?

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