Daniel McFarlan Moore
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Daniel McFarlan Moore (1869 - 1926) was a U.S. electrical engineer and inventor.
Biography
Moore began his career working for Thomas Edison but started experimenting with producing light from electrical discharges, an idea that Henrich Geissler had first started in the 1850s. Moore opinion of Edison's incandescent lamp was that "It's too small, too hot, and too red." Feeling that glass sealing techniques had advanced enough to make electrical discharge lamps commercially viable, he devised the "Moore Lamp' in 1898. The Moore Lamp involved glass tubes from which the air had been removed and a different gas inserted, which would glow when a current was passed through it. The design of Neon lights would later be inspired by this design. Moore lamps failed to become popular, leading to the failure of his company, and Moore decided to work for General Electric.
Moore is best known for his invention of the "glow lamp" in 1920, which relied on the physical principle of coronal discharge. Glow lamps were used as indicators in instrument panels until they were replaced by LEDs.