. Practical electro-therapeutics and X-ray therapy : with chapters on phototherapy, X-ray in eye surgery, X-ray in dentistry, and medico-legal aspect of the X-ray . gnostic or therapeutic value. A well-built static machine, keptin perfect repair, besides being of great value as a therapeuticagent, will produce x-rays sufficiently powerful to skiagraph theextremities, and in thin subjects will often give a very good pic-ture of the other parts of the body. In the x-ray treatment of skindiseases the static machine will give most excellent results as agenerator. Fig. 51 is a modern static machine
. Practical electro-therapeutics and X-ray therapy : with chapters on phototherapy, X-ray in eye surgery, X-ray in dentistry, and medico-legal aspect of the X-ray . gnostic or therapeutic value. A well-built static machine, keptin perfect repair, besides being of great value as a therapeuticagent, will produce x-rays sufficiently powerful to skiagraph theextremities, and in thin subjects will often give a very good pic-ture of the other parts of the body. In the x-ray treatment of skindiseases the static machine will give most excellent results as agenerator. Fig. 51 is a modern static machine of the Holtz type, sometimescalled the induction machine. This machine, though very sensi-tive to moisture, will, when properly cared for, give excellent satis-faction in most climates. 88 PRACTICAL ELECTRO-THERAPEUTICS AND X-RAY THERAPY Fig. 52 illustrates the Toepler-Holtz or compound variety ofstatic machine. These machines are largely used because they arelower in price. If well built, this type of machine will give excel-lent service for a number of years. As a rule, however, the casesare not so well built as in the Iloltz machines, and on this account. Fig. 52.—Compound static machine. it is more difficult to keep them dry on the inside. A static ma-chine, for all-around work, should not have more than twelve re-volving plates or less than ten. The author has been using a10-plate Holtz machine for a number of years, and has found itsufficiently large in most cases. It is noticed that a static machine X-RAY APPARATUS 89 will deliver a much stronger current on some days than on is due to the fact that moisture decreases the resistance of theatmosphere, and on damp days there is a leakage to the atmospherearound the machine and particularly from the patient, making itnext to impossible to condense any current on the patients body,while on dry, cool days the current is much stronger. Static ma-chines do very poor x-ray work when the weather is very wet anddamp.
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjecteye, bookyear1912
