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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. ^ Jones, Bernard Edward (1911-01-01). Cassell's Cyclopaedia of Photography. Arno Press. ISBN  9780405049224.
  2. ^ "AlternativePhotography.com: The historical alternative photographic processes". www.alternativephotography.com. Archived from the original on 2016-03-03. Retrieved 2016-04-09.