Jasper County Democrat, Volume 2, Number 29, Rensselaer, Jasper County, 28 October 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 he reproduced. This was placed on a pile ol 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 of 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 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 practically solved by a method of sensitizing the paper in strips, so that impressions will) be taken on these stnps only, leaving the intervals ready for the strip sensitization and photographic printing at a future operation on the other sdae. The experimentei 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 pieces of paper and widely separated lines for reproduction have been used.—N. Y. Times.