Nikola Tesla Books
142 HIGH FREQUENCY APPARATUS blue light which has lead to the conception which, while it makes no claims definitely, leaves the uninitiated under the impression that the treatment is in some way associated with the famous ultra-violet rays of Finsen. The fact of the matter is that even though there were an appreciable amount of ultraviolet light generated within the tube (as is probably the case), the glass walls are practically opaque to the ray and its passage to the patient would be stopped. However, beyond the mere fact that this slight deception has lowered the dignity of the treatment and has made it a name almost as common as that of a patent medicine, the incident need not concern us. The merit of the high frequncy current properly applied is now definitely established beyond question, and the physician who first learns its powers and then uses it honestly is sure to derive everlasting satisfaction from the treatment. The treatment has met with the most encouraging success in the stimulation of the growth of hair on heads not hopelessly bald, and the experience of a number of prominent workers goes to show that even gray hair may be restored to its original color through a perfectly natural process. While success has not come in every case, still the results are so encouraging that the writer believes he is justified in stating that this treatment offers a distinct opportunity to the scalp specialist who is willing to apply. himself with the same diligence that he would bestow upon some unfamiliar but promising drug. The effects of the treatment are cumulative, and in stubborn cases patience is necessary, for while the first few treatments do not perhaps have the desired effect, the cumulative characteristics come out after persistent administrations.
