IN GOOD WORKING CONDITION MADE IN 1926
In 1926, Jacques Risler, a French engineer, developed a coating for the inside of a fluorescent light that absorbed the light produced by the mercury and produced a visible light with a soothing hue. In 1934, a group of scientists at GE developed what we know of today as the fluorescent lamp.
History of Fluorescent Lighting | Shine Retrofits Lighting Blog
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