Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used theprocess well into the 20th century as a simple and low-costprocess to produce copies of drawings, referred to as blueprints.
The process uses two chemicals: ferric ammonium citrate and potassium ferricyanide.
- Authenticity : sold with a certificate of authenticity
- Signature : Hand-signed by Le Pictorialist
- Support : Printing on Watercolor Arche Platine
- Type : Unique work