From the greek works kuáneos, meaning ‘dark blue’ and túpos, meaning ‘mark or impression’ a cyanotype is a photoreactive print created by treating paper with ferric ammonium citrate or ferric ammonium oxalate, and potassium ferricyanide. The ingredients and cheap and the reproductions are clear, though distinctly cyan, and after its invention in 1842 by Sir John Herschel, it was used by amateur botanists, scientists, the occasional artist, and most famously by architects, who used the process to create blueprints.

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Arrangement of Specimens, Hippolyte Bayard

Arrangement of Specimens Hippolyte Bayard, 1842

Lace Glove, Hippolyte Bayard

Lace Glove Hippolyte Bayard, 1843 – 1846

Dictyota dichotoma (Forkweed), Anna Atkins

Dictyota dichotoma (Forkweed) Anna Atkins, 1849 – 1850

Aspidium Lobatium, Anna Atkins

Aspidium Lobatium Anna Atkins, 1853

Chordaria flagelliformis, Anna Atkins

Chordaria flagelliformis Anna Atkins, 1853

Polypodium Phegopteris (Northern beech fern), Anna Atkins

Polypodium Phegopteris (Northern beech fern) Anna Atkins, 1853

Papaver Orientale (Oriental poppy), Anna Atkins

Papaver Orientale (Oriental poppy) Anna Atkins, 1852 – 1854

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Watercolor, Mediums


Lithography, Mediums


Terracotta, Mediums


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