Arc Lamp with Concentric Electrodes.
OFFICE OF THE SECRETARY OF THE ARMY WASHINGTON D C
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The patent describes a concentric electrode arc lamp having a first electrode disposed in spaced concentric sealed relation about a second electrode and an envelope secured to the first electrode to provide an enclosure for retention of a gas therein. The second electrode is provided with a passage communicating into the interior of the enclosure for directing gas therein. The electrodes are disposed for activation by application of an electric potential therebetween to cause arcing therebetween. The arc energizes the gas to produce radiation.
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