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- W4234865268 abstract "A Midget Sun. A 1,000-watt mercury-vapor lamp, no bigger than a cigarette, with an intrinsic brilliancy about one-fifth of the sun's, is now available. The lamp itself is a capillary quartz tube containing electrodes, a drop of mercury, and a little argon gas for starting. The heat and pressure are such that water-cooling is necessary, so an outer tube is provided as a water jacket about the size of a shotgun cartridge. The light is much whiter than that of the well-known low-pressure mercury-vapor lamp. If the outer tube is made of quartz instead of hard glass, the lamp is a powerful source of ultraviolet radiation. The efficiency is about three times that of an incandescent lamp of corresponding wattage. Suggested uses are in projection, photographic processes, and therapy." @default.
- W4234865268 created "2022-05-12" @default.
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- W4234865268 date "1939-01-01" @default.
- W4234865268 modified "2023-10-18" @default.
- W4234865268 title "Illumination notes" @default.
- W4234865268 doi "https://doi.org/10.1109/ee.1939.6431710" @default.
- W4234865268 hasPublicationYear "1939" @default.
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