Cyanotype print 20”X24”

Cyanotype is a photographic printing process that produces a cyan-blue print. 

The process uses two chemicals: ferric ammonium citrate and potassium ferricyanide.

Material is first sensitized with the solution and then printed by ultraviolet light.

These are mono prints there is only one of each, all are completely original and not reprintable.

The cyanotype process was one of the first non-silver technologies used to create photographic images. This process originated in the 1840's, then  was perfected  by John Herschel in 1842.