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Jean Picard and later Johann Bernoulli back in the year 1700, observed that when the mercury was stirred, light was produced.
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Heinrich Geissler created a tube capable of emitting light when an electric discharge was passed through said tube filled with a noble gas.
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Daniel McFarlan Moore began to experiment with electric discharge tubes. He managed to obtain yellow light and a pinkish light, with a spectrum very similar to that of sunlight
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Friedirch Meyer, Hans Spanner and Edmund Germer patented the fluorescent lamp
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The lamps began to develop industrially
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Lamps are shown for the first time to the public at the New York World's Fair