. Electricity : its medical and surgical applications, including radiotherapy and phototherapy . Mcintosh style B therapeutic lamp, 50 candle-power. METHODS OF AlPLIOATION AND TilEtiAIEUTlCH 287 sedation, blue light may be applied to the head (p. 292). The Nernstlamp, which differs from the ordinary incandescent lamp in that thefilament is not enclosed in a vacuum but is exposed to the air, is said togive a light of great actinic power, but of less heat than the ordinarystyle of lamp. Arc Light.—The arc light may be employed to meet similar indica-tions as the incandescent light, but is not so
. Electricity : its medical and surgical applications, including radiotherapy and phototherapy . Mcintosh style B therapeutic lamp, 50 candle-power. METHODS OF AlPLIOATION AND TilEtiAIEUTlCH 287 sedation, blue light may be applied to the head (p. 292). The Nernstlamp, which differs from the ordinary incandescent lamp in that thefilament is not enclosed in a vacuum but is exposed to the air, is said togive a light of great actinic power, but of less heat than the ordinarystyle of lamp. Arc Light.—The arc light may be employed to meet similar indica-tions as the incandescent light, but is not so convenient, especially foruse in cabinets, as the actinic rays, in which the light so generated isrich, cause pigmentation and possibly vesication of the skin, irritatingvapors, consisting of nitrous acid and ozone, are given oft, hot particles Fig. 264
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