Jasper County Democrat, Volume 2, Number 24, Rensselaer, Jasper County, 23 September 1899 — PRINTS WITH X-RAYS. [ARTICLE]

PRINTS WITH X-RAYS.

Photographic Experiment of Interest to Newspaper Makers. By the use of a sensitized paper a Frenchman has succeeded in doing some printing with the X-rays, though his accomplishments have not gone far enough to threaten the existence of the printing press. Radiographic ink, of a material calculated to intercept the rays, was* used as a medium for making the copy to be reproduced. This was placed on a pile of prepared paper two inches in thickness, and after an exposure of a few seconds to the sensitized paper—washed with a gelatine-bromide solution much like that commonly used by photographers—M. Izabard managed to secure excellent reproductions ox the copy, each sheet, of course, being developed as in photography. Mechanical drying of the developed and fixed sheets was resorted to in a trial for speed, and the result is said to have been satisfactory. The one trouble seems to be the difficulty of printing on one side of the paper only, as the method so far used allows the printing to show on the reverse side of the sheet. The-inventor is now at work on a scheme to prevent this, and thinks that the trouble has been practically solved by a method of sensitizing the paper in strips, so that impressions will be taken on these strips only, leaving the intervals ready for the strip sensitization and photographic printing at a future operation on the other side. The experimenter also thinks it possible to photograph with different copy each side of the same sheet of paper at the same operation, though his successes in that direction have not as yet been marked, save when small piece® of paper and widely separated lines for reproduction have been used.—N. Y. Times.