"Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used the process well into the 20th century as a simple and low-cost process to produce copies of drawings, referred to as blueprints. The process uses two chemicals: ferric ammonium citrate and potassium ferricyanide.
The English scientist and astronomer Sir John Herschel discovered the procedure in 1842. Though the process was developed by Herschel, he considered it as mainly a means of reproducing notes and diagrams, as in blueprints.
Anna Atkins created a series of cyanotype limited-edition books that documented ferns and other plant life from her extensive seaweed collection, placing specimens directly onto coated paper and allowing the action of light to create a silhouette effect. By using this photogram process, Anna Atkins is sometimes considered the first female photographer."
in wikipedia.org/wiki/Cyanotype
The English scientist and astronomer Sir John Herschel discovered the procedure in 1842. Though the process was developed by Herschel, he considered it as mainly a means of reproducing notes and diagrams, as in blueprints.
Anna Atkins created a series of cyanotype limited-edition books that documented ferns and other plant life from her extensive seaweed collection, placing specimens directly onto coated paper and allowing the action of light to create a silhouette effect. By using this photogram process, Anna Atkins is sometimes considered the first female photographer."
in wikipedia.org/wiki/Cyanotype
Experiment with wet cyanotype, flowers and turmenic
Meduzot
Self-portrait with a Polypore.
Traditional boats from Tagus river, Portugal
Agave americana & Orbea variegata, Stapelia variegata & Tachypodoiulus niger (Millipede) in defensive posture
Cyanotypes representing fragments of flowers, the last two were toned using black tea
Cyanotypes on coloured paper
Warsaw from PKiN & Glass
