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Aurotype

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Aurotype is a monochrome photographic printing process that uses Gold chloride, potassium ferricyanide and ferrocyanide. It was described in 1844 by Robert Hunt.[1] It is a member of the Siderotype family of processes.[2]

References

  1. ^ http://books.google.com/books?id=pqkR3Po010sC&pg=PA46&lpg=PA46&dq=aurotype&source=web&ots=dgHE7WUeJa&sig=uP5l9zY-6E4JGPfCGrPmBYReJ0s&hl=en
  2. ^ AlternativePhotography.com : the historical alternative photographic processes


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