In some situations a tube-holder attached to the wall is useful,and Fig. 52 shows an ingenious holder for that purpose. Couch fOF X-Ray Work.—Many forms of special couch havebeen devised for x-ray work. In most of them the tube is fixedbeneath, and the examination is conducted with the patient in… … Fig il.—Portable Tube-Stand (Cox). THE ELECTRICAL APPARATUS S7 the horizontal position. The tube is fixed on a carriage, movingupon guides beneath the couch, so as to traverse in all directions
X-rays · Radiography
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