Rainer Wenzl

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Rainer Wenzl Posted: Apr 01, 2006 0 comments

Over 200 years ago, scientists and photographers experimented with light-sensitive chemicals and developed a photographic printing process that utilizes watercolor paper coated with a base of gum arabic solution with dichromate salt and pigment. This solution, when exposed to sunlight, becomes insoluble and is able to withstand the test of time.

This photographic...

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