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Tesla Wireless Lightbulb. Tesla holding a gas filled phosphor coated wireless lightbulb which he developed in the 1890s, a half a century before fluorescent lamps came into use.. Wallpaper and background images in the Nikola Tesla club tagged: nikola tesla tesla wireless lightbulb electricity lightbulb.
Submitted by IsisRain
Keyword: nikola tesla, tesla, wireless lightbulb, electricity, lightbulb