PRODUCING A DIRECT IMAGE IN DOUBLY EXPOSED VESICULAR PHOTOGRAPHIC MATERIAL BY PRETREATMENT WITH AN OUS FLUID

摘要

CYCLED DIRECT IMAGE FILM A process for the production of a direct image in a vesicular photographic material. The film is exposed imagewise, degassed and re-exposed and developed by heating. The film is pretreated with an aqueous fluid and is incapable of producing a visible image if not pretreated.