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Eastman Permanent Crystal Pyro

2005.005.6.006
Item
[ca. 1909]

Part of Photograph & Film Technology Collection

Item is a half pound bottle of Eastman Permanent Crystal Pyro, the "superior form of pyrogallic acid." This form of developing agent was very popular in the 1800s to 1920s.

A.B.CK. Dyes for producing color prints from Kodachorme film by Eastman wash-off relief process

2005.005.6.005
Item
[about 1983)

Part of Photograph & Film Technology Collection

Item is a cardboard box containing 3 small vails of powdered dyes (magenta, cyan and yellow) for use in the Eastman Kodak dye-transfer process known as the "Eastman Wash-off Relief" process. The process was mostly in use in the graphic arts and used Kodachrome film.

Kodak film cement