. Electricity : its medical and surgical applications, including radiotherapy and phototherapy . OO lijil. i!iiiiiii!i!lii!iiiiiiil!!!if™j ilii^^^S^^^^^^^^^/■„. „iiiii Actinolite. fly off from the carbon electrodes, and much more current is required togive the same results than is necessary for the incandescent lamp. Ifit is used in a cabinet, the head of the patient should always be outside,otherwise the vapors above mentioned may cause disagreeable, possiblyserious, results. This form of light is usually employed in local infec-tious processes where the germicidal effects of the ultraviolet
. Electricity : its medical and surgical applications, including radiotherapy and phototherapy . OO lijil. i!iiiiiii!i!lii!iiiiiiil!!!if™j ilii^^^S^^^^^^^^^/■„. „iiiii Actinolite. fly off from the carbon electrodes, and much more current is required togive the same results than is necessary for the incandescent lamp. Ifit is used in a cabinet, the head of the patient should always be outside,otherwise the vapors above mentioned may cause disagreeable, possiblyserious, results. This form of light is usually employed in local infec-tious processes where the germicidal effects of the ultraviolet rays aredesired. A convenient form of lamp is that made by Betz. It is con-structed on the principle of the marine search-light, and includes redscreens for cutting out the ultraviolet rays and blue screens for cuttingout the heat rays if desired (Fig. 264). The effects of this light uponlocal conditions was first brought to general attention by Finsen. 288 ELECTRIC LIGHT, MOTORS, AND MAGNETISM Treatment of Lupus Vulgaris and Other Skin Diseases.—The remarkableresults obtained by him and sin
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