Siderotype is an iron-based photographic print. The term was coined by Sir John Frederick William Herschel. A short list of processes defined as siderotypes...

Brown Line may refer to: Brown line, a process defined as siderotype, a monochrome printing process Brown Line (CTA), Chicago Brown Line (Delhi Metro)...

by John Plumbe Photo-crayotype Rayograph Salt print Self-toning paper Siderotype Silver bromide Silver chloride collodion Simpsontype Sphereotype Stand...

ferrocyanide. It was described in 1844 by Robert Hunt. It is a member of the Siderotype family of processes. Jones, Bernard Edward (1911-01-01). Cassell's Cyclopaedia...