. American quarterly of roentgenology . Figure 5—Appendix and B Figure 6. (A) Paper with screen—best of two exposures. (B) Plate without screen—best of five exposures. Cole: Bromide Screen Technique 203 is desired, the prints can be developed and fixed so rapidlythat the first print may be studied while the third is beingmade, and if the position is not satisfactory it can be alteredand another made without delay—it takes the place of a fluor-oscopic examination and gives a permanent record. 204 American Quarterly of Roentgenology ARTIFICIAL DILATION OF THE DUODENUM FORRADIOGRAPHIC EXA
. American quarterly of roentgenology . Figure 5—Appendix and B Figure 6. (A) Paper with screen—best of two exposures. (B) Plate without screen—best of five exposures. Cole: Bromide Screen Technique 203 is desired, the prints can be developed and fixed so rapidlythat the first print may be studied while the third is beingmade, and if the position is not satisfactory it can be alteredand another made without delay—it takes the place of a fluor-oscopic examination and gives a permanent record. 204 American Quarterly of Roentgenology ARTIFICIAL DILATION OF THE DUODENUM FORRADIOGRAPHIC EXAMINATION. BY LEWIS GREGORY COLE, M. D., NEW YORK. This is a preliminary paper on a method of examinationwhich was described in an article entitled The X-RayDiagnosis of Pyloric and Duodenal Lesions, read before theAmerican Association of Obstetricians and Gynecologists atLouisville, September 26, 1911. The lumen of the entire duodenum can be determined by thefollowing procedure: The patient swallows an Einhorn pyloricdilator. This is a small ball attached to
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