PetaPixel -
26 Dec 2017 21:37

A few days ago, for the first time ever in my experience with wet plate photography, I mixed up collodion from scratch. I thought I’d share about the experience. First of all, plain USP (U.S. Pharmacopeia) Collodion is a mixture of ether, alcohol, and nitrocellulose (also known as nitrated or guncotton). It is the nitrocellulose […]
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