Subject: Where did early photo chemicals come from?
Date: Fri May 26 18:09:27 2000
Posted by Hal Bellerud
Grade level: nonaligned
School: University of Puget Sound
City: Tacoma State/Province: WA
Area of science: Science History
Early photographic experimentors had access to some fairly refined
chemicals and photo chemicals. What were these (silver nitrate comes to
mind), how were they refined and for what other purposes were they refined
and manufactured for? Did the experimentors have to make their chemicals
Re: Where did early photo chemicals come from?
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