. Radiography and radio-therapeutics . Fig. 144.—Foreign body in upper plate taken with the patient flat upon his back. Fig. —Foreign body in upper of final plate taken. 171 172 RADIOGKAPHY the observer wearing dark glasses for some time beforehand to render theeyes more sensitive when the fluorescent screen is used. The screen hasattached to it a dark cloth under which the observer examines for theposition of the foreign body. The second essential is the provision of a guide for the operator other. FIG. 146.—The Ironside Bruce director couch. (From The Archives of
. Radiography and radio-therapeutics . Fig. 144.—Foreign body in upper plate taken with the patient flat upon his back. Fig. —Foreign body in upper of final plate taken. 171 172 RADIOGKAPHY the observer wearing dark glasses for some time beforehand to render theeyes more sensitive when the fluorescent screen is used. The screen hasattached to it a dark cloth under which the observer examines for theposition of the foreign body. The second essential is the provision of a guide for the operator other. FIG. 146.—The Ironside Bruce director couch. (From The Archives of Radiologyand Electrotherapy.) The couch is provided with a wooden top which can be kept clean and will not absorb fluids ; aflap attached to one end allows for the accommodation of the patient in dealing with the lower , Rigid brackets for the 0, P, Joint and screw, support of upright. H, Hinged joint. than a mark on the skin ; a vertical guide is arranged in connection with thecouch, this corresponding with the direction of radiation. To facilitate thisan X-ray tube is placed in a box (A) which moves freely below the couch ;arising from the box is a strong rigid upright (B), to which is attached across arm (C) projecting over the couch, all these parts being firmly fixedone to the other, and moving as one piece. The upright can be raised orlowered at E. At the extremity of the cross arm is attached a small circular fluorescentscreen (D), and the cross arm can be raised or lowered so that the screenmay be brou
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Keywords: ., bookcentury1900, bookdecade1910, bookidradiographyr, bookyear1919
