A couple of nagging N172 Old Judge questions

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Posted By: Hankron

The photographers could use a variety of colors, including yellow, green, red and purple. When dyes were used, pink was the most common color. Such use of dyes on any albumen photograph is rare.

It's possible that the use of color dyes contributed to the deterioration of the images. The rule of unintended consquences. The photographers could not have predicted, or perhaps even cared, how the addition of dyes would effect the photograph 10, 20, 100 years after.

Realize that the Old Judges and such were not originally sepia. The sepia is entirely due to the aging.