A manual of X-ray technic by Arthur C. Christie

By Arthur C. Christie

Excerpt from A guide of X-Ray Technic

Every X-ray Operator is suggested to make himself completely acquainted with the main points of development of the actual equipment with which he's operating. he's then in place to maintain it continuously at its element of extreme potency. along with his gear in good shape he can then steadily grasp the small de tails so necessary to sturdy X-ray paintings, and with perform in reading radiograms he'll eventually collect skill to correctly interpret them and so as to arrive at right diagnoses.

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Sample text

More often means just the opposite. The lower the tube the greater the amount of current that can pass through and consequently the higher the But reading of the milliammeter. if the tube gives a spark of four and a half to six inches in length, and at the same time the milliammeter has a high reading, then the degree of penetration radiochromometer of Benoist: this instrument is is great. The (5) The construction of based upon the fact that different metals vary in their penetrability to the Rontgen ray.

Through these two wires passes a low voltage current which serves to heat the tungsten ment, the degree to which by an adjustable rheostat. for heating the filament it is fila- heated being controlled The source of the current may be a small storage battery, or the 110 V. alternating current reduced to the proper A MANUAL OF X-RAY TECHNIC 26 When voltage by a suitable transformer. direct current is available a small only the motor generator is Whether a must be insu- necessary in addition to the transformer.

Times as much — The Wehnelt electrolytic interrupter. water. The num, and the large one of small electrode lead. is of plati- The platinum rod enclosed in a porcelain sheath and by is means of a EXCITING THE RONTGEN-RAY TUBE 35 screw a smaller or larger amount of the platinum maybe made to project into the liquid. amount projects When a small and rapid, the impulses are small and when a larger amount projects they are heavier and less rapid. The Caldwell- Simon Interrupter. —This has two large lead electrodes dipping into dilute sulphuric acid, the vessel containing by a which is divided into halves There are very small holes vertical partition.

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