One objection to the use of films in roentgenography has been the difficulty of holding the films in the viewing box. This may be done by placing the films between two clean glass plates and securing them with spring clips or adhesive tape. If but few cases are handled each week, this method will do very well, but becomes rather irksome if many cases are handled daily.
To meet this objection we have had made, for our use, a film holder which is shown in the accompanying sketch. The frame (a) is made of galvanized iron. It should be heavy enough not to bend easily. The outside dimensions are the same as those of the film with which the holder is to be used. Each side and end are from one-half to three-fourths inch wide, depending on the size of the frame and the weight of the material. Across each