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Alvin Langdon Coburn and his Platinum -Gum Bichromate process


domenico_foschi

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You could also try posting in the alt-process forum on this site, I'm sure there would be smeone with more experience there... I seem to recall one of my recent alt process books had a pretty big section on combining processes. He was mostly concerned with gum over cyanotype, but I imagine the process would be very similar. I'll see if I can't dig that up for you.

 

Isaac

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Ok, I've dug up a couple of refrences... There is a brief overview in "The Book of Alternative Photographic Processes" (Christopher James, 2002) on pp 185-186. A more comprhensive treatment is in "Coming Into Focus" (Ed. John Barnier, 2000) from p.239-252. This section is about printing gum over cyanotype using color separation negs. Very interesting stuff, and I imagine that the process would be very similar for Gum over Plat. prints. Hope that helps a little, if I come across any vintage descriptions I'll pass them along.

 

Isaac

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