electrical discharge lamp
Electric discharge lamp | instrument | Britannica
electric discharge lamp, also called Vapour Lamp, lighting device consisting of a transparent container within which a gas is energized by an applied voltage and thereby made to glow. The French astronomer Jean Picard observed (1675) a faint glow in a mercury-barometer tube …
Electric Discharge Lamp – Definition, Types, Advantages, …
2022年4月4日· Advantages of Electric Discharge Lamps. The advantages of electric discharge lamps are as follows −. Electric discharge lamps have longer life. There …
electric-discharge lamp - Illuminating Engineering Society
Note: Electric-discharge lamps may be named after the filling gas or vapor that is responsible for the major portion of the radiation; e.g., mercury lamps, sodium lamps, neon lamps, and …