[alt-photo] Re: Anthotype show in Washington DC 1990's
bi3 at georgetown.edu
Tue Aug 2 21:36:45 GMT 2011
On 8/2/2011 11:11 AM, Robert Tilden wrote:
> Prokudin-Gorskii used something called "digichromatography" which involved
> using three plates, one each for RGB. Early TechniColor!
> Autochrome, on the other hand, used dyed potato-starch grains to generate
> the color images...
You are right of course. The Library of Congress doesn't seem to give
the photographic process for its holdings (or I missed it), but the
Prokudin-Gorskii photographs are indeed on glass plates and don't use
the the autochrome process.
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