[pure-silver] Re: Hubl's book and panchromatic sensitivity
- From: Ray Rogers <earthsoda@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Sat, 17 Oct 2009 15:37:45 -0700 (PDT)
Again, I suspect I misread your focus... It looks like you were primarlly
interested in the introduction of Panchromatic material. Sorry if I posted the
obvious. I did notice you put quotes around collodion "emulsion";
I would point out that the first photographic "emulsions"
were in fact precipitated in collodion. Again, excuse me if I am pointing out
the obvious.
Ray
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