- Aurotype
Aurotype is a monochrome photographic printing process in old photography. Aurotype was described in 1844 by Robert Hunt [http://books.google.com/books?id=pqkR3Po010sC&pg=PA46&lpg=PA46&dq=aurotype&source=web&ots=dgHE7WUeJa&sig=uP5l9zY-6E4JGPfCGrPmBYReJ0s&hl=en] . Gold Chloride, Potassium Ferricyanide and Ferrocyanide are employed. It is a member of the
Siderotype family of processes. [ [http://www.alternativephotography.com/process_forgotten.html AlternativePhotography.com : the historical alternative photographic processes ] ]References
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