Procedure for obtaining microphotographs and macrophotographs slides and in color starting from black and white material (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for obtaining microphotographs and macrophotographs slides and in color starting from black and white material, particularly applicable to the reproduction of anatomical parts, surgical interventions and the like in which two complementary colors can be applied with acidic and basic dyes, characterized in that part of a good negative in black and white very contrasted, then proceeds to disaggregate the gelatin in contact with the metallic silver particles that form the photographic image, thus obtaining a positive and raised image formed only by the gelatin that has not been impressed, washing it with running water, followed by a fixation in hyposulfite of short duration, until the film is transparent, and then, after another brief washing, it is stained with hematoxylin eosin or with any combination of acidic and basic colors looking for the reproduction of a trichrome method, ending the procedure with a hardening of the gelatin with formaldehyde. (Machine-translation by Google Translate, not legally binding)