Auteur Topic: Scientists unlock the chemical secrets of a 19th-century photography technique  (gelezen 83 keer)

Offline Jondor

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https://arstechnica.com/science/2019/11/scientists-unlock-the-chemical-secrets-of-a-19th-century-photography-technique/

Scientists unlock the chemical secrets of a 19th-century photography technique
Mordan├žage, or "etch-bleaching," creates ethereal veiling effects in B&W photographs.
« Laatst bewerkt op: 6 november 2019, 20:52:45 door HoodedOne »