Identifier: americanjournroen07ameruoft (find matches)
Title: The American journal of roentgenology, radium therapy and nuclear medicine
Year: 1906 (1900s)
Authors: American Radium Society American Roentgen Ray Society
Subjects: Radiotherapy X-rays
Publisher: Springfield, Ill. C.C. Thomas
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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Fig. 3-b. Silver Nitrating Room. 136 Manufacture of Roentgenological Films and Plates prepared with a view toward having it assensitive to .I-rays as possible, its sensitive-ness to ordinary light being of no specialimportance. The glass must be carefullyAvashed and put in proper condition for be-ing coated with the sensitive emulsion. After in the case of either films or plates for theirentire life history. Temperatures over 70°F. should be avoided where possible, as wellas excessive humidity. These two are thegreatest foes to emulsion keeping. When one considers, however, the vast
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Fic. 4. Silver Bromide Crystals in Emulsion. coating, the drving is conducted under con-ditions similar to those used for dryingfilms. There must be a constant drying rate,otherwise a mark will show in the final neg-ative, and it is needless to say that theremust at all times be absolute freedom fromcontamination in the air in the coating, dry-ing and storage rooms. This condition, of course, also holds good Fig. Crystals Shown in Fig. 4 DevelopedTO Metallic Silver. strides made in photographic science sincethe days of the old wet plate—only a fewscore vears ago—by concerted scientificefi:orts, one cannot but feel that, with theeven greater efforts now applied, stimulatedby its war prominence as a science, photog-raphy in general, and roentgenologicalphotography in particular, will give rise tomanv new possibilities. FLUOROSCOPIC EXAMINATION IN INJURIES TO THE HEAD By M. WILLIAM CLIFT, M.D.Late Major, M. C, U. S. A.,; Instructor in Roentgenology, A. E. F. FLINT, MICH. * I HE head,

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