. A system of instruction in X-ray methods and medical uses of light, hot-air, vibration and high-frequency currents : a pictorial system of teaching by clinical instruction plates with explanatory text : a series of photographic clinics in standard uses of scientific therapeutic apparatus for surgical and medical practitioners : prepared especially for the post-graduate home study of surgeons, general physicians, dentists, dermatologists and specialists in the treatment of chronic diseases, and sanitarium practice . kills Staphylococcus pyogenes aureus in four andone-half minutes, the latter
. A system of instruction in X-ray methods and medical uses of light, hot-air, vibration and high-frequency currents : a pictorial system of teaching by clinical instruction plates with explanatory text : a series of photographic clinics in standard uses of scientific therapeutic apparatus for surgical and medical practitioners : prepared especially for the post-graduate home study of surgeons, general physicians, dentists, dermatologists and specialists in the treatment of chronic diseases, and sanitarium practice . kills Staphylococcus pyogenes aureus in four andone-half minutes, the latter is killed by the lamp described, with ironelectrodes and equal current power and other conditions, in somewhatless than four seconds, which shows a bactericidal power of sixty timesthat of the usual arc-light. Similar results are shown regarding theirritant effects on the skin of these cold rays. Five minutes radia-tion at one metre distance from the lamp is sufficient to produce a well-marked light erythema of the whole face, which lasts for several days. For local treatment the writer has constructed quite a smalllamp, which, including various adjuncts, is not much bigger than atablespoon. This lamp is placed upon the skin in toto, as the lightarc is so cool that it can be placed at one to one and one-half centi-metres from the skin. More than 150 trials, upon sound as well asupon lupus skin, have shown that a lamp of five amperes and fortyvolts gives in five minutes (generally in three minutes) over a sur-. Plate 201.—The Lupus Lamp of Lortet and Genoud. Explanation of lettered figure,a a are two small levers. By pressure on them the operator removes old carbons andreplaces new ; D advances or draws back the arc ; E is a screw which raises or lowers the arc;P is a screw which regulates the separation of the carbons of the arc; G gives a lateralmovement to the arc; H advances or draws back the negative carbon; J gives lateralmovement to the positive carbon; M is a small mir
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Keywords: ., bookcentury1900, bookdecade1900, bookidsystemofinst, bookyear1902
