Word: ultraviolet
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...incandescence. The heat vaporizes the mercury. The mercury vapor diffuses between the electrodes and permits the current to jump across as a brilliant mercury arc. The combined light of arc, electrodes and filament appears much whiter than Mazda "daylight" bulbs. It produces 40 times as much humanly beneficial ultraviolet radiation as does the midday midsummer sun of equal intensity...
...type of quartz mercury vapor bulb for generating ultraviolet light developed...
Meter for measuring the intensity of the ultraviolet ray perfected...
...Ultraviolet rays are useful against pernicious anemia and leprosy (Dr. David Israel Macht of Johns Hopkins) and stimulate mental activity (Dr. Victor Emanuel Levine of Creighton University School of Medicine, Omaha...
...Liver Oil in small doses is more salutary than in massive doses, which may even be harmful. Pure cod liver oil is better than emulsions. Irradiating oil with ultraviolet light helps its effect.?Sweden's Erik Agduhr...